Kleine Hilfestellung Mailserver auf der FritzBox (Postfix, Dovecot, Fetchmail)

YingSang

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Beispielszenario für den Mailserver. Über POP3 von verschiedenen Konten Mails abholen mit Filterregeln in verschiedene Ordner sortieren und über IMAP von mehreren Rechner die Mails abrufen. Also zeige ich hier wie man Debian auf die Box bzw. USB-Stick installiert und Postfix, Dovecot und Fetchmail einrichtet.

Ich habe ganz schön viel Zeit gebraucht bis ich es hingekriegt habe, deshalb habe ich gedacht ich mache es mal für die anderen wenigstens einfacher.

Man braucht
- Freetz-Firmware mit dem Packet Debootstrap (Die Patches sollte man auch auswählen: Patch USB storage names, Auto mount ext2/ ext3/ ntfs)
- USB-Speicher (2GB oder mehr) mit ext2 oder ext3 formatiert

Nicht vergessen Unter Freetz-WebIF Swapfile anlegen und swap einschalten (64-128MB sollten reichen).

Telnet-Dienst einschalten, verbinden und einloggen.

Als erstes Debian-System installieren mit:
debootstrap --arch=mipsel --foreign etch /var/media/ftp/uStor01 http://ftp.us.debian.org/debian

danach folgende Schritte ausführen:
mount -t proc proc /var/media/ftp/uStor01/proc
chroot /var/media/ftp/uStor01


jetzt sollte im Terminal folgendes stehen:
sh-3.1#

Installation zu ende führen mit:
/debootstrap/debootstrap --second-stage

wieder zu Freetz wechseln, einfach mit:
exit

danach die folgenden drei Befehle:
mount -o bind /dev /var/media/ftp/uStor01/dev
chmod 777 /var/media/ftp/uStor01
chroot /var/media/ftp/uStor01 su -


nun sollten wir uns wieder unter Debian befinden und es müsste folgendes stehen.
fritz:~#

sources.list editieren (Bei mir war die immer leer!)
nano /etc/apt/sources.list

hier folgende Zeilen eintragen
Code:
deb http://ftp.us.debian.org/debian/ etch main non-free contrib
deb-src http://ftp.us.debian.org/debian/ etch main non-free contrib
Datei speichern und den Texteditor beenden.

apt-get aktualisieren und Postfix installieren:
apt-get update
apt-get install postfix


Bei der Installation kann man einfach alles so bestätigen, nur als Typ habe ich "Local only" gewählt da ich die Mails über einen externen SMTP Server versende.
 
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Ach ja am besten legen wir jetzt noch einen User an. Ich nehme als Beispiel "Alex" Das machen wir mit:
adduser alex
hier wird man gleich nach einem Password gefragt Vollständiger Name und einige andere Sachen die man nicht braucht. Am ende mit y bestätigen.

Jetzt Dovecot installieren:
apt-get install dovecot-imapd

Postfix sagen dass er den Dovecot Deliver benutzen soll. Dazu main.cf Datei öffnen.
nano /etc/postfix/main.cf
und ganz unten unter "inet_interfaces" folgenden Eintrag machen.
Code:
mailbox_command = /usr/lib/dovecot/deliver
Datei speichern und den Texteditor beenden.

Postfix Configuration neu laden:
/etc/init.d/postfix reload

Jetzt muss noch die dovecot.conf editiert werden
nano /etc/dovecot/dovecot.conf

Es müssen nur die stellen verändert oder ergänzt werden. Unter "postmaster_address" natürlich euren angelegten Benutzername.
Sollte ungefähr wie folgt aussehen!

Code:
# Protocols we want to be serving:
#  imap imaps
protocols = imap imaps

Code:
disable_plaintext_auth = no
(durch disable_plaintext_auth wird die sichere anmeldung abgeschaltet, kann man später wieder einschalten. (für TLS oder SSL) solange man aber nur über VPN oder im Lokalen Netzt abruft, kann es auf "no" stehen)

Code:
protocol lda {
  # Address to use when sending rejection mails.
  postmaster_address = alex@localhost
  ...
  # Enabling Sieve plugin for server-side mail filtering
  mail_plugins = cmusieve
}
Datei speichern und den Texteditor wieder beenden.

Rechte ändern:
chmod 644 /etc/dovecot/dovecot.conf

Dienste neustarten:
/etc/init.d/postfix restart
/etc/init.d/dovecot restart


Jetzt könnten wir eigentlich uns schon mit einem Mail-Client verbinden. Zum Beispiel mit dem Thunderbird. Neues Konto > IMAP > IP-Adresse der Box > und Benutzername, in meinem Beispiel habe ich "alex"
 
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Jetzt können wir zum Testen erstmal Mailx verwenden. Dazu installieren wir es mit:
apt-get install mailx

Nachdem wir es installiert haben können wir lokal eine Testmail schicken.
mail -s "Betreff" alex@localhost < /etc/postfix/main.cf

Wenn alles richtig funktioniert, müsste unter Thunderbird im Posteingang eine Mail liegen, mit dem Inhalt der Postfix-Konfigurationsdatei.

Also jetzt geht es zum Fetchmail.
apt-get install fetchmail ca-certificates

Konfiguration erstellen mit:
nano /etc/fetchmailrc

und folgendes eintragen. :!: Bitte mit eigenen Angaben ersetzen!
In meinem Beispiel von einem 1und1 Postfach abholen und zum Benutzer Alex zustellen.

Code:
set postmaster "alex"
set daemon 190

poll pop.1und1.de
proto pop3
user '[email protected]'
password 'geheim'
is 'alex'

:!: mit "set daemon" stellt man das Intervall für das abrufen in Sekunden ein.
Unten drunter kann man noch weitere Postfächer eintragen. Zum testen reicht aber erstmal einer.

Jetzt Datei speichern und den Texteditor beenden.

Rechte ändern:
chmod 600 /etc/fetchmailrc

Fetchmail als Dienst einrichten. Die Datei öffnen mit:
nano /etc/default/fetchmail

und wie folgt ändern.

Code:
# Declare here if we want to start fetchmail. 'yes' or 'no'
START_DAEMON=yes

Datei speichern und den Texteditor wieder beenden.

Bei mir war es noch so dass Fetchmail die Nachrichten abrufen konnte, aber nicht an Postfix zustellen.
Fetchmail Fehlermeldung:
fetchmail[2913]: getaddrinfo("localhost","smtp") error: Name or service not known

Das anlegen der Datei /etc/hosts einfach mit dem Befehl:
nano /etc/hosts

mit dem folgenden Inhalt hat das Problem beseitigt.
HTML:
127.0.0.1     localhost

Jetzt noch Fetchmail-Dienst starten:
/etc/init.d/fetchmail start

Das hätten wir also geschafft.

Noch eingie Hinweise!

Filterregeln definieren: Datei .dovecot.sieve anlegen unter /home/alex und die Regeln eintragen. Hier hilft Google weiter!

Man kann noch den Syslog-Dienst starten. Falls etwas nicht funtkioniert und man den Fehler finden möchte.
/etc/init.d/sysklogd start
danach die Datei /var/log/mail.log anschauen und analysieren

Viel Spaß noch!
 
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Autorun-Funktion!

Wenn man den autorun.sh/autoend.sh Patch ausgewählt hat kann man noch folgendes machen.

Unter Debian direkt auf dem USB-Stick Datei anlegen
nano /autorun.sh

z.B. mit dem Inhalt
Code:
swapon /var/media/ftp/uStor01/swapfile
mount -t proc proc /var/media/ftp/uStor01/proc
mount -o bind /dev /var/media/ftp/uStor01/dev
chroot /var/media/ftp/uStor01 /etc/init.d/postfix start
chroot /var/media/ftp/uStor01 /etc/init.d/dovecot start
chroot /var/media/ftp/uStor01 /etc/init.d/fetchmail start
Datei speichern und den Texteditor beenden.

Ausführbar machen
chmod +x /autorun.sh

Dadurch wird beim einstecken des USB-Sticks oder beim Rebooten der Box.
Automatisch das Swapfile eingeschaltet, das Debian-System verbunden und die Mailserver-Dienste gestartet.

Zum trennen sollte auch eine Datei angelegt werden:
nano /autoend.sh

z.B. mit dem Inhalt
Code:
chroot /var/media/ftp/uStor01 /etc/init.d/fetchmail stop
chroot /var/media/ftp/uStor01 /etc/init.d/dovecot stop
chroot /var/media/ftp/uStor01 /etc/init.d/postfix stop
umount /var/media/ftp/uStor01/proc
umount /var/media/ftp/uStor01/dev
swapoff /var/media/ftp/uStor01/swapfile
Datei speichern und den Texteditor beenden.

auch ausführbar machen
chmod +x /autoend.sh

Wenn man jetzt über das Frit!Box Webinterface auf USB-Speicher "Sicher entfernen" geht werden alle Mailserver-Dienste beendet das Debian-System getrennt und das Swapfile abgeschaltet.
Wen dann danach steht: Alle USB-Speicher wurden "sicher entfernt" und können jetzt abgezogen werden. kann man den USB-Speicher abziehen.

Solange man keine mehrere Speicher gleichzeitig verwendet reichen diese Scripte aus. Bei mehreren Speicher kann sich die uStor Nummer ändern und schon funktionieren die Scripts nicht mehr. Wer sich mit Linux besser auskennt als ich, kann die Scripte ja richtig erstellen!
 
Hallo,
ersteinmal danke für die anleitung.. ich habe nach langen hin und her debootstrap installiert und musste feststellen, dass das ganze nicht so einfach step-by-step war, teilweise funktionierten die mirrors nicht, dann fehlte eine util-lib etc...

ich habe jetzt dovecot installiert, kann jedoch nicht mit thunderbird auf das imap postfach zugreifen... dort bekomme ich den angehängten fehler... in der log zu dovecot steht leider nichts, nur dass er gestartet wurde...
woran kann das liegen?
 
hier das bild mit der fehlermeldung
 

Anhänge

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    thunderbird_error.png
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also bei der Debian Installation hatte ich nur Probleme wenn ich die Option --foreign nicht verwendet hatte. Habe das 4 oder 5 mal installiert, und nie Probleme gehabt solange ich die Option verwendet wurde.

Bei der Installation von Debian vielleicht mal nach
/debootstrap/debootstrap --second-stage
box neu starten und in der Reihenfolge
mount -t proc proc /var/media/ftp/uStor01/proc
mount -o bind /dev /var/media/ftp/uStor01/dev
chmod 777 /var/media/ftp/uStor01
chroot /var/media/ftp/uStor01 su -

sollte definitiv keine Fehler mehr sein.

Mein Testkandidat war eine 7170 mit freetz-trunk und der letzten AVM Firmware. Habe trunk verwendet da ich kein image erstellen konnte weil die .76 nicht unterstützt wurde. Auf die stable-branch kam ich ja erst später. Pakete waren nur Samba, vsftp und natürlich Debootstrap.

So eine Meldung hatte ich nie. Hast du die dovecot.conf auch richtig editiert und Dovecot neu gestartet? User in der Debian Umgebung angelegt? Meinen zweiten Beitrag mal nochmal durchlesen. Vielleicht schreibst selber auf wie du vorgegangen bist.
 
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Hallo,
danke für deine Hilfe. Ich habe die ersten beiden Posts deiner Anleitung befolgt. Irgendwie scheint bei mir der Dienst garnicht zu laufen? auf jeden fall wird unter "ps" weder dovecot noch postfix angezeigt...

anbei die konfiguration für postfix und dovecot

Code:
# See /usr/share/postfix/main.cf.dist for a commented, more complete version


# Debian specific:  Specifying a file name will cause the first
# line of that file to be used as the name.  The Debian default
# is /etc/mailname.
#myorigin = /etc/mailname

smtpd_banner = $myhostname ESMTP $mail_name (Debian/GNU)
biff = no

# appending .domain is the MUA's job.
append_dot_mydomain = no

# Uncomment the next line to generate "delayed mail" warnings
#delay_warning_time = 4h

readme_directory = no

# TLS parameters
smtpd_tls_cert_file=/etc/ssl/certs/ssl-cert-snakeoil.pem
smtpd_tls_key_file=/etc/ssl/private/ssl-cert-snakeoil.key
smtpd_use_tls=yes
smtpd_tls_session_cache_database = btree:${data_directory}/smtpd_scache
smtp_tls_session_cache_database = btree:${data_directory}/smtp_scache

# See /usr/share/doc/postfix/TLS_README.gz in the postfix-doc package for
# information on enabling SSL in the smtp client.

myhostname = fritz.fonwlan.box
alias_maps = hash:/etc/aliases
alias_database = hash:/etc/aliases
myorigin = /etc/mailname
mydestination = fritz.box, fritz.fonwlan.box, localhost.fonwlan.box, localhost
#relayhost = 
mynetworks = 127.0.0.0/8 [::ffff:127.0.0.0]/104 [::1]/128
mailbox_size_limit = 0
recipient_delimiter = +
inet_interfaces = loopback-only
mailbox_command = /usr/lib/dovecot/deliver
default_transport = error
relay_transport = error

Code:
## Dovecot configuration file

# If you're in a hurry, see http://wiki.dovecot.org/QuickConfiguration

# "dovecot -n" command gives a clean output of the changed settings. Use it
# instead of copy&pasting this file when posting to the Dovecot mailing list.

# '#' character and everything after it is treated as comments. Extra spaces
# and tabs are ignored. If you want to use either of these explicitly, put the
# value inside quotes, eg.: key = "# char and trailing whitespace  "

# Default values are shown for each setting, it's not required to uncomment
# any of the lines. Exception to this are paths, they're just examples with
# the real defaults being based on configure options. The paths listed here
# are for configure --prefix=/usr --sysconfdir=/etc --localstatedir=/var
# --with-ssldir=/etc/ssl

# Base directory where to store runtime data.
base_dir = /var/run/dovecot/

# Protocols we want to be serving: imap imaps pop3 pop3s managesieve
# If you only want to use dovecot-auth, you can set this to "none".
#protocols = imap imaps
protocols = imap imaps


# IP or host address where to listen in for connections. It's not currently
# possible to specify multiple addresses. "*" listens in all IPv4 interfaces.
# "[::]" listens in all IPv6 interfaces, but may also listen in all IPv4
# interfaces depending on the operating system.
#
# If you want to specify ports for each service, you will need to configure
# these settings inside the protocol imap/pop3/managesieve { ... } section, 
# so you can specify different ports for IMAP/POP3/MANAGESIEVE. For example:
#  protocol imap {
 #    listen = *:10143
  #   ssl_listen = *:10943
    # ..
 #  }
#   protocol pop3 {
#     listen = *:10100
#     ..
#   }
#   protocol managesieve {
#     listen = *:12000
#     ..
#   }
#listen = *

# Disable LOGIN command and all other plaintext authentications unless
# SSL/TLS is used (LOGINDISABLED capability). Note that if the remote IP
# matches the local IP (ie. you're connecting from the same computer), the
# connection is considered secure and plaintext authentication is allowed.
disable_plaintext_auth = no

# Should all IMAP and POP3 processes be killed when Dovecot master process
# shuts down. Setting this to "no" means that Dovecot can be upgraded without
# forcing existing client connections to close (although that could also be
# a problem if the upgrade is eg. because of a security fix). This however
# means that after master process has died, the client processes can't write
# to log files anymore.
#shutdown_clients = yes

##
## Logging
##

# Log file to use for error messages, instead of sending them to syslog.
# /dev/stderr can be used to log into stderr.
log_path =/var/log/dovecot.log


# Log file to use for informational and debug messages.
# Default is the same as log_path.
info_log_path = /var/log/dovecot-info.log

# Prefix for each line written to log file. % codes are in strftime(3)
# format.
#log_timestamp = "%b %d %H:%M:%S "
log_timestamp = "%Y-%m-%d %H:%M:%S "

# Syslog facility to use if you're logging to syslog. Usually if you don't
# want to use "mail", you'll use local0..local7. Also other standard
# facilities are supported.
#syslog_facility = mail

##
## SSL settings
##

# IP or host address where to listen in for SSL connections. Defaults
# to above if not specified.
#ssl_listen =

# Disable SSL/TLS support.
#ssl_disable = no

# PEM encoded X.509 SSL/TLS certificate and private key. They're opened before
# dropping root privileges, so keep the key file unreadable by anyone but
# root.
#ssl_cert_file = /etc/ssl/certs/dovecot.pem
#ssl_key_file = /etc/ssl/private/dovecot.pem

# If key file is password protected, give the password here. Alternatively
# give it when starting dovecot with -p parameter.
#ssl_key_password =

# File containing trusted SSL certificate authorities. Set this only if you
# intend to use ssl_verify_client_cert=yes. The CAfile should contain the
# CA-certificate(s) followed by the matching CRL(s).
#ssl_ca_file = 

# Request client to send a certificate. If you also want to require it, set
# ssl_require_client_cert=yes in auth section.
#ssl_verify_client_cert = no

# How often to regenerate the SSL parameters file. Generation is quite CPU
# intensive operation. The value is in hours, 0 disables regeneration
# entirely.
#ssl_parameters_regenerate = 168

# SSL ciphers to use
#ssl_cipher_list = ALL:!LOW

# Show protocol level SSL errors.
#verbose_ssl = no

##
## Login processes
##

# <doc/wiki/LoginProcess.txt>

# Directory where authentication process places authentication UNIX sockets
# which login needs to be able to connect to. The sockets are created when
# running as root, so you don't have to worry about permissions. Note that
# everything in this directory is deleted when Dovecot is started.
#login_dir = /var/run/dovecot/login

# chroot login process to the login_dir. Only reason not to do this is if you
# wish to run the whole Dovecot without roots. <doc/wiki/Rootless.txt>
#login_chroot = yes

# User to use for the login process. Create a completely new user for this,
# and don't use it anywhere else. The user must also belong to a group where
# only it has access, it's used to control access for authentication process.
# Note that this user is NOT used to access mails. <doc/wiki/UserIds.txt>
#login_user = dovecot

# Set max. process size in megabytes. If you don't use
# login_process_per_connection you might need to grow this.
#login_process_size = 64

# Should each login be processed in it's own process (yes), or should one
# login process be allowed to process multiple connections (no)? Yes is more
# secure, espcially with SSL/TLS enabled. No is faster since there's no need
# to create processes all the time.
#login_process_per_connection = yes

# Number of login processes to keep for listening new connections.
#login_processes_count = 5

# Maximum number of login processes to create. The listening process count
# usually stays at login_processes_count, but when multiple users start logging
# in at the same time more extra processes are created. To prevent fork-bombing
# we check only once in a second if new processes should be created - if all
# of them are used at the time, we double their amount until the limit set by
# this setting is reached.
#login_max_processes_count = 128

# Maximum number of connections allowed per each login process. This setting
# is used only if login_process_per_connection=no. Once the limit is reached,
# the process notifies master so that it can create a new login process.
# You should make sure that the process has at least
# 16 + login_max_connections * 2 available file descriptors.
#login_max_connections = 256

# Greeting message for clients.
#login_greeting = Dovecot ready.

# Space-separated list of elements we want to log. The elements which have
# a non-empty variable value are joined together to form a comma-separated
# string.
#login_log_format_elements = user=<%u> method=%m rip=%r lip=%l %c

# Login log format. %$ contains login_log_format_elements string, %s contains
# the data we want to log.
login_log_format = %$: %s

##
## Mailbox locations and namespaces
##

# Location for users' mailboxes. This is the same as the old default_mail_env
# setting. The default is empty, which means that Dovecot tries to find the
# mailboxes automatically. This won't work if the user doesn't have any mail
# yet, so you should explicitly tell Dovecot the full location.
#
# If you're using mbox, giving a path to the INBOX file (eg. /var/mail/%u)
# isn't enough. You'll also need to tell Dovecot where the other mailboxes are
# kept. This is called the "root mail directory", and it must be the first
# path given in the mail_location setting.
#
# There are a few special variables you can use, eg.:
#
#   %u - username
#   %n - user part in user@domain, same as %u if there's no domain
#   %d - domain part in user@domain, empty if there's no domain
#   %h - home directory
#
# See /usr/share/doc/dovecot-common/wiki/Variables.txt for full list. Some
# examples:
#
#   mail_location = maildir:~/Maildir
#   mail_location = mbox:~/mail:INBOX=/var/mail/%u
#   mail_location = mbox:/var/mail/%d/%1n/%n:INDEX=/var/indexes/%d/%1n/%n
#
# <doc/wiki/MailLocation.txt>
#
#mail_location = 

# If you need to set multiple mailbox locations or want to change default
# namespace settings, you can do it by defining namespace sections.
# NOTE: Namespaces currently work ONLY with IMAP! POP3 and LDA currently ignore
# namespaces completely, they use only the mail_location setting.
#
# You can have private, shared and public namespaces. The only difference
# between them is how Dovecot announces them to client via NAMESPACE
# extension. Shared namespaces are meant for user-owned mailboxes which are
# shared to other users, while public namespaces are for more globally
# accessible mailboxes.
#
# REMEMBER: If you add any namespaces, the default namespace must be added
# explicitly, ie. mail_location does nothing unless you have a namespace
# without a location setting. Default namespace is simply done by having a
# namespace with empty prefix.
#namespace private {
   # Hierarchy separator to use. You should use the same separator for all
   # namespaces or some clients get confused. '/' is usually a good one.
   # The default however depends on the underlying mail storage format.
   #separator = 

   # Prefix required to access this namespace. This needs to be different for
   # all namespaces. For example "Public/".
   #prefix = 

   # Physical location of the mailbox. This is in same format as
   # mail_location, which is also the default for it.
   #location =

   # There can be only one INBOX, and this setting defines which namespace
   # has it.
   #inbox = yes

   # If namespace is hidden, it's not advertised to clients via NAMESPACE
   # extension or shown in LIST replies. This is mostly useful when converting
   # from another server with different namespaces which you want to depricate
   # but still keep working. For example you can create hidden namespaces with
   # prefixes "~/mail/", "~%u/mail/" and "mail/".
   #hidden = yes
#}

# Group to enable temporarily for privileged operations. Currently this is
# used only with INBOX when either its initial creation or dotlocking fails.
# Typically this is set to "mail" to give access to /var/mail.
mail_privileged_group = mail

# Grant access to these supplementary groups for mail processes. Typically
# these are used to set up access to shared mailboxes. Note that it may be
# dangerous to set these if users can create symlinks (e.g. if "mail" group is
# set here, ln -s /var/mail ~/mail/var could allow a user to delete others'
# mailboxes, or ln -s /secret/shared/box ~/mail/mybox would allow reading it).
#mail_access_groups =

# Allow full filesystem access to clients. There's no access checks other than
# what the operating system does for the active UID/GID. It works with both
# maildir and mboxes, allowing you to prefix mailboxes names with eg. /path/
# or ~user/.
#mail_full_filesystem_access = no

##
## Mail processes
##

# Enable mail process debugging. This can help you figure out why Dovecot
# isn't finding your mails.
#mail_debug = no

# Log prefix for mail processes.
# See /usr/share/doc/dovecot-common/wiki/Variables.txt for list of possible
# variables you can use.
#mail_log_prefix = "%Us(%u): "

# Max. number of lines a mail process is allowed to log per second before it's
# throttled. 0 means unlimited. Typically there's no need to change this
# unless you're using mail_log plugin, which may log a lot.
#mail_log_max_lines_per_sec = 10

# Don't use mmap() at all. This is required if you store indexes to shared
# filesystems (NFS or clustered filesystem).
#mmap_disable = no

# Don't write() to mmaped files. This is required for some operating systems
# which use separate caches for them, such as OpenBSD.
#mmap_no_write = no

# Rely on O_EXCL to work when creating dotlock files. The default is to use
# hard linking. O_EXCL makes the dotlocking faster, but it doesn't always
# work with NFS.
#dotlock_use_excl = no

# Don't use fsync() or fdatasync() calls. This makes the performance better
# at the cost of potential data loss if the server (or the file server)
# goes down.
#fsync_disable = no

# Locking method for index files. Alternatives are fcntl, flock and dotlock.
# Dotlocking uses some tricks which may create more disk I/O than other locking
# methods. NFS users: flock doesn't work, remember to change mmap_disable.
#lock_method = fcntl

# Drop all privileges before exec()ing the mail process. This is mostly
# meant for debugging, otherwise you don't get core dumps. It could be a small
# security risk if you use single UID for multiple users, as the users could
# ptrace() each others processes then.
#mail_drop_priv_before_exec = no

# Show more verbose process titles (in ps). Currently shows user name and
# IP address. Useful for seeing who are actually using the IMAP processes
# (eg. shared mailboxes or if same uid is used for multiple accounts).
#verbose_proctitle = no

# Valid UID range for users, defaults to 500 and above. This is mostly
# to make sure that users can't log in as daemons or other system users.
# Note that denying root logins is hardcoded to dovecot binary and can't
# be done even if first_valid_uid is set to 0.
#first_valid_uid = 500
#last_valid_uid = 0

# Valid GID range for users, defaults to non-root/wheel. Users having
# non-valid GID as primary group ID aren't allowed to log in. If user
# belongs to supplementary groups with non-valid GIDs, those groups are
# not set.
#first_valid_gid = 1
#last_valid_gid = 0

# Maximum number of running mail processes. When this limit is reached,
# new users aren't allowed to log in.
#max_mail_processes = 1024

# Set max. process size in megabytes. Most of the memory goes to mmap()ing
# files, so it shouldn't harm much even if this limit is set pretty high.
#mail_process_size = 256

# Maximum allowed length for mail keyword name. It's only forced when trying
# to create new keywords.
#mail_max_keyword_length = 50

# ':' separated list of directories under which chrooting is allowed for mail
# processes (ie. /var/mail will allow chrooting to /var/mail/foo/bar too).
# This setting doesn't affect login_chroot or auth chroot variables.
# WARNING: Never add directories here which local users can modify, that
# may lead to root exploit. Usually this should be done only if you don't
# allow shell access for users. <doc/wiki/Chrooting.txt>
#valid_chroot_dirs = 

# Default chroot directory for mail processes. This can be overridden for
# specific users in user database by giving /./ in user's home directory
# (eg. /home/./user chroots into /home). Note that usually there is no real
# need to do chrooting, Dovecot doesn't allow users to access files outside
# their mail directory anyway. <doc/wiki/Chrooting.txt>
#mail_chroot = 

##
## Mailbox handling optimizations
##

# Space-separated list of fields to initially save into cache file. Currently
# these fields are allowed:
#
#  flags, date.sent, date.received, size.virtual, size.physical
#  mime.parts, imap.body, imap.bodystructure
#
# Different IMAP clients work in different ways, so they benefit from
# different cached fields. Some do not benefit from them at all. Caching more
# than necessary generates useless disk I/O, so you don't want to do that
# either.
#
# Dovecot attempts to automatically figure out what client wants and it keeps
# only that. However the first few times a mailbox is opened, Dovecot hasn't
# yet figured out what client needs, so it may not perform optimally. If you
# know what fields the majority of your clients need, it may be useful to set
# these fields by hand. If client doesn't actually use them, Dovecot will
# eventually drop them.
#
# Usually you should just leave this field alone. The potential benefits are
# typically unnoticeable.
#mail_cache_fields = 

# Space-separated list of fields that Dovecot should never save to cache file.
# Useful if you want to save disk space at the cost of more I/O when the fields
# needed.
#mail_never_cache_fields = 

# The minimum number of mails in a mailbox before updates are done to cache
# file. This allows optimizing Dovecot's behavior to do less disk writes at
# the cost of more disk reads.
#mail_cache_min_mail_count = 0

# When IDLE command is running, mailbox is checked once in a while to see if
# there are any new mails or other changes. This setting defines the minimum
# time in seconds to wait between those checks. Dovecot can also use dnotify,
# inotify and kqueue to find out immediately when changes occur.
#mailbox_idle_check_interval = 30

# Save mails with CR+LF instead of plain LF. This makes sending those mails
# take less CPU, especially with sendfile() syscall with Linux and FreeBSD.
# But it also creates a bit more disk I/O which may just make it slower.
# Also note that if other software reads the mboxes/maildirs, they may handle
# the extra CRs wrong and cause problems.
#mail_save_crlf = no

##
## Maildir-specific settings
##

# By default LIST command returns all entries in maildir beginning with a dot.
# Enabling this option makes Dovecot return only entries which are directories.
# This is done by stat()ing each entry, so it causes more disk I/O.
# (For systems setting struct dirent->d_type, this check is free and it's
# done always regardless of this setting)
#maildir_stat_dirs = no

# When copying a message, do it with hard links whenever possible. This makes
# the performance much better, and it's unlikely to have any side effects.
#maildir_copy_with_hardlinks = no

# When copying a message, try to preserve the base filename. Only if the
# destination mailbox already contains the same name (ie. the mail is being
# copied there twice), a new name is given. The destination filename check is
# done only by looking at dovecot-uidlist file, so if something outside
# Dovecot does similar filename preserving copies, you may run into problems.
# NOTE: This setting requires maildir_copy_with_hardlinks = yes to work.
#maildir_copy_preserve_filename = no

##
## mbox-specific settings
##

# Which locking methods to use for locking mbox. There are four available:
#  dotlock: Create <mailbox>.lock file. This is the oldest and most NFS-safe
#           solution. If you want to use /var/mail/ like directory, the users
#           will need write access to that directory.
#  fcntl  : Use this if possible. Works with NFS too if lockd is used.
#  flock  : May not exist in all systems. Doesn't work with NFS.
#  lockf  : May not exist in all systems. Doesn't work with NFS.
#
# You can use multiple locking methods; if you do the order they're declared
# in is important to avoid deadlocks if other MTAs/MUAs are using multiple
# locking methods as well. Some operating systems don't allow using some of
# them simultaneously.
#mbox_read_locks = fcntl
#mbox_write_locks = dotlock fcntl

# Maximum time in seconds to wait for lock (all of them) before aborting.
#mbox_lock_timeout = 300

# If dotlock exists but the mailbox isn't modified in any way, override the
# lock file after this many seconds.
#mbox_dotlock_change_timeout = 120

# When mbox changes unexpectedly we have to fully read it to find out what
# changed. If the mbox is large this can take a long time. Since the change
# is usually just a newly appended mail, it'd be faster to simply read the
# new mails. If this setting is enabled, Dovecot does this but still safely
# fallbacks to re-reading the whole mbox file whenever something in mbox isn't
# how it's expected to be. The only real downside to this setting is that if
# some other MUA changes message flags, Dovecot doesn't notice it immediately.
# Note that a full sync is done with SELECT, EXAMINE, EXPUNGE and CHECK 
# commands.
#mbox_dirty_syncs = yes

# Like mbox_dirty_syncs, but don't do full syncs even with SELECT, EXAMINE,
# EXPUNGE or CHECK commands. If this is set, mbox_dirty_syncs is ignored.
#mbox_very_dirty_syncs = no

# Delay writing mbox headers until doing a full write sync (EXPUNGE and CHECK
# commands and when closing the mailbox). This is especially useful for POP3
# where clients often delete all mails. The downside is that our changes
# aren't immediately visible to other MUAs.
#mbox_lazy_writes = yes

# If mbox size is smaller than this (in kilobytes), don't write index files.
# If an index file already exists it's still read, just not updated.
#mbox_min_index_size = 0

##
## dbox-specific settings
##

# Maximum dbox file size in kilobytes until it's rotated.
#dbox_rotate_size = 2048

# Minimum dbox file size in kilobytes before it's rotated
# (overrides dbox_rotate_days)
#dbox_rotate_min_size = 16

# Maximum dbox file age in days until it's rotated. Day always begins from
# midnight, so 1 = today, 2 = yesterday, etc. 0 = check disabled.
#dbox_rotate_days = 0

##
## IMAP specific settings
##

protocol imap {
  # Login executable location.
  #login_executable = /usr/lib/dovecot/imap-login

  # IMAP executable location. Changing this allows you to execute other
  # binaries before the imap process is executed.
  #
  # This would write rawlogs into ~/dovecot.rawlog/ directory:
  #   mail_executable = /usr/lib/dovecot/rawlog /usr/lib/dovecot/imap
  #
  # This would attach gdb into the imap process and write backtraces into
  # /tmp/gdbhelper.* files:
  #   mail_executable = /usr/libexec/dovecot/gdbhelper /usr/libexec/dovecot/imap
  #
  #mail_executable = /usr/lib/dovecot/imap

  # Maximum IMAP command line length in bytes. Some clients generate very long
  # command lines with huge mailboxes, so you may need to raise this if you get
  # "Too long argument" or "IMAP command line too large" errors often.
  #imap_max_line_length = 65536

  # Support for dynamically loadable plugins. mail_plugins is a space separated
  # list of plugins to load.
  #mail_plugins = 
  #mail_plugin_dir = /usr/lib/dovecot/modules/imap

  # Send IMAP capabilities in greeting message. This makes it unnecessary for
  # clients to request it with CAPABILITY command, so it saves one round-trip.
  # Many clients however don't understand it and ask the CAPABILITY anyway.
  #login_greeting_capability = no

  # Override the IMAP CAPABILITY response.
  #imap_capability = 

  # Workarounds for various client bugs:
  #   delay-newmail:
  #     Send EXISTS/RECENT new mail notifications only when replying to NOOP
  #     and CHECK commands. Some clients ignore them otherwise, for example OSX
  #     Mail (<v2.1). Outlook Express breaks more badly though, without this it
  #     may show user "Message no longer in server" errors. Note that OE6 still
  #     breaks even with this workaround if synchronization is set to
  #     "Headers Only".
  #   outlook-idle:
  #     Outlook and Outlook Express never abort IDLE command, so if no mail
  #     arrives in half a hour, Dovecot closes the connection. This is still
  #     fine, except Outlook doesn't connect back so you don't see if new mail
  #     arrives.
  #   netscape-eoh:
  #     Netscape 4.x breaks if message headers don't end with the empty "end of
  #     headers" line. Normally all messages have this, but setting this
  #     workaround makes sure that Netscape never breaks by adding the line if
  #     it doesn't exist. This is done only for FETCH BODY[HEADER.FIELDS..]
  #     commands. Note that RFC says this shouldn't be done.
  #   tb-extra-mailbox-sep:
  #     With mbox storage a mailbox can contain either mails or submailboxes,
  #     but not both. Thunderbird separates these two by forcing server to
  #     accept '/' suffix in mailbox names in subscriptions list.
  # The list is space-separated.
  #imap_client_workarounds = outlook-idle
}
  
##
## POP3 specific settings
##

protocol pop3 {
  # Login executable location.
  #login_executable = /usr/lib/dovecot/pop3-login

  # POP3 executable location. See IMAP's mail_executable above for examples
  # how this could be changed.
  #mail_executable = /usr/lib/dovecot/pop3

  # Don't try to set mails non-recent or seen with POP3 sessions. This is
  # mostly intended to reduce disk I/O. With maildir it doesn't move files
  # from new/ to cur/, with mbox it doesn't write Status-header.
  #pop3_no_flag_updates = no

  # Support LAST command which exists in old POP3 specs, but has been removed
  # from new ones. Some clients still wish to use this though. Enabling this
  # makes RSET command clear all \Seen flags from messages.
  #pop3_enable_last = no

  # If mail has X-UIDL header, use it as the mail's UIDL.
  #pop3_reuse_xuidl = no

  # Keep the mailbox locked for the entire POP3 session.
  #pop3_lock_session = no

  # POP3 UIDL (unique mail identifier) format to use. You can use following
  # variables:
  #
  #  %v - Mailbox's IMAP UIDVALIDITY
  #  %u - Mail's IMAP UID
  #  %m - MD5 sum of the mailbox headers in hex (mbox only)
  #  %f - filename (maildir only)
  #
  # If you want UIDL compatibility with other POP3 servers, use:
  #  UW's ipop3d         : %08Xv%08Xu
  #  Courier version 0   : %f
  #  Courier version 1   : %u
  #  Courier version 2   : %v-%u
  #  Cyrus (<= 2.1.3)    : %u
  #  Cyrus (>= 2.1.4)    : %v.%u
  #  Older Dovecots      : %v.%u
  #  tpop3d              : %Mf
  #
  # Note that Outlook 2003 seems to have problems with %v.%u format which was
  # Dovecot's default, so if you're building a new server it would be a good
  # idea to change this. %08Xu%08Xv should be pretty fail-safe.
  #
  # NOTE: Nowadays this is required to be set explicitly, since the old
  # default was bad but it couldn't be changed without breaking existing
  # installations. %08Xu%08Xv will be the new default, so use it for new
  # installations.
  #
  pop3_uidl_format = %08Xu%08Xv

  # POP3 logout format string:
  #  %t - number of TOP commands
  #  %p - number of bytes sent to client as a result of TOP command
  #  %r - number of RETR commands
  #  %b - number of bytes sent to client as a result of RETR command
  #  %d - number of deleted messages
  #  %m - number of messages (before deletion)
  #  %s - mailbox size in bytes (before deletion)
  #pop3_logout_format = top=%t/%p, retr=%r/%b, del=%d/%m, size=%s

  # Support for dynamically loadable plugins. mail_plugins is a space separated
  # list of plugins to load.
  #mail_plugins = 
  #mail_plugin_dir = /usr/lib/dovecot/modules/pop3

  # Workarounds for various client bugs:
  #   outlook-no-nuls:
  #     Outlook and Outlook Express hang if mails contain NUL characters.
  #     This setting replaces them with 0x80 character.
  #   oe-ns-eoh:
  #     Outlook Express and Netscape Mail breaks if end of headers-line is
  #     missing. This option simply sends it if it's missing.
  # The list is space-separated.
  #pop3_client_workarounds = 
}

##
## MANAGESIEVE specific settings
##

protocol managesieve {
  # Login executable location.
  #login_executable = /usr/libexec/dovecot/managesieve-login

  # MANAGESIEVE executable location. See IMAP's mail_executable above for 
  # examples how this could be changed.
  #mail_executable = /usr/libexec/dovecot/managesieve

  # Maximum MANAGESIEVE command line length in bytes. This setting is 
  # directly borrowed from IMAP. But, since long command lines are very
  # unlikely with MANAGESIEVE, changing this will not be very useful.  
  #managesieve_max_line_length = 65536

  # Specifies the location of the symlink pointing to the active script in
  # the sieve storage directory. This must match the SIEVE setting used by
  # deliver (refer to http://wiki.dovecot.org/LDA/Sieve#location for more
  # info). Variable substitution with % is recognized.
  sieve=~/.dovecot.sieve

  # This specifies the path to the directory where the uploaded scripts must
  # be stored. In terms of '%' variable substitution it is identical to
  # dovecot's mail_location setting used by the mail protocol daemons.
  sieve_storage=~/sieve

  # If, for some inobvious reason, the sieve_storage remains unset, the 
  # managesieve daemon uses the specification of the mail_location to find out 
  # where to store the sieve files (see explaination in README.managesieve). 
  # The example below, when uncommented, overrides any global mail_location 
  # specification and stores all the scripts in '~/mail/sieve' if sieve_storage 
  # is unset. However, you should always use the sieve_storage setting.
  # mail_location = mbox:~/mail

  # To fool managesieve clients that are focused on timesieved you can
  # specify the IMPLEMENTATION capability that the dovecot reports to clients 
  # (default: dovecot).
  #managesieve_implementation_string = Cyrus timsieved v2.2.13
}

##
## LDA specific settings
##

 protocol lda {
  # Address to use when sending rejection mails.
  postmaster_address = doomhammer@localhost

  # Hostname to use in various parts of sent mails, eg. in Message-Id.
  # Default is the system's real hostname.
  #hostname = 

  # Support for dynamically loadable plugins. mail_plugins is a space separated
  # list of plugins to load.
  mail_plugins = cmusieve
  #mail_plugin_dir = /usr/lib/dovecot/modules/lda

  # Binary to use for sending mails.
  #sendmail_path = /usr/lib/sendmail

  # UNIX socket path to master authentication server to find users.
  #auth_socket_path = /var/run/dovecot/auth-master

  # Enabling Sieve plugin for server-side mail filtering
   mail_plugins = cmusieve
 }

##
## Authentication processes
##

# Executable location
#auth_executable = /usr/lib/dovecot/dovecot-auth

# Set max. process size in megabytes.
#auth_process_size = 256

# Authentication cache size in kilobytes. 0 means it's disabled.
# Note that bsdauth, PAM and vpopmail require cache_key to be set for caching
# to be used.
#auth_cache_size = 0
# Time to live in seconds for cached data. After this many seconds the cached
# record is no longer used, *except* if the main database lookup returns
# internal failure. We also try to handle password changes automatically: If
# user's previous authentication was successful, but this one wasn't, the
# cache isn't used. For now this works only with plaintext authentication.
#auth_cache_ttl = 3600

# Space separated list of realms for SASL authentication mechanisms that need
# them. You can leave it empty if you don't want to support multiple realms.
# Many clients simply use the first one listed here, so keep the default realm
# first.
#auth_realms =

# Default realm/domain to use if none was specified. This is used for both
# SASL realms and appending @domain to username in plaintext logins.
#auth_default_realm = 

# List of allowed characters in username. If the user-given username contains
# a character not listed in here, the login automatically fails. This is just
# an extra check to make sure user can't exploit any potential quote escaping
# vulnerabilities with SQL/LDAP databases. If you want to allow all characters,
# set this value to empty.
#auth_username_chars = abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ01234567890.-_@

# Username character translations before it's looked up from databases. The
# value contains series of from -> to characters. For example "#@/@" means
# that '#' and '/' characters are translated to '@'.
#auth_username_translation =

# Username formatting before it's looked up from databases. You can use
# the standard variables here, eg. %Lu would lowercase the username, %n would
# drop away the domain if it was given, or "%n-AT-%d" would change the '@' into
# "-AT-". This translation is done after auth_username_translation changes.
#auth_username_format =

# If you want to allow master users to log in by specifying the master
# username within the normal username string (ie. not using SASL mechanism's
# support for it), you can specify the separator character here. The format
# is then <username><separator><master username>. UW-IMAP uses "*" as the
# separator, so that could be a good choice.
#auth_master_user_separator =

# Username to use for users logging in with ANONYMOUS SASL mechanism
#auth_anonymous_username = anonymous

# More verbose logging. Useful for figuring out why authentication isn't
# working.
#auth_verbose = no

# Even more verbose logging for debugging purposes. Shows for example SQL
# queries.
#auth_debug = no

# In case of password mismatches, log the passwords and used scheme so the
# problem can be debugged. Requires auth_debug=yes to be set.
#auth_debug_passwords = no

# Maximum number of dovecot-auth worker processes. They're used to execute
# blocking passdb and userdb queries (eg. MySQL and PAM). They're
# automatically created and destroyed as needed.
#auth_worker_max_count = 30

# Host name to use in GSSAPI principal names. The default is to use the
# name returned by gethostname().
#auth_gssapi_hostname =

# Kerberos keytab to use for the GSSAPI mechanism. Will use the system 
# default (usually /etc/krb5.keytab) if not specified.
#auth_krb5_keytab = 

auth default {
  # Space separated list of wanted authentication mechanisms:
  #   plain login digest-md5 cram-md5 ntlm rpa apop anonymous gssapi
  # NOTE: See also disable_plaintext_auth setting.
  mechanisms = plain

  #
  # Password database is used to verify user's password (and nothing more).
  # You can have multiple passdbs and userdbs. This is useful if you want to
  # allow both system users (/etc/passwd) and virtual users to login without
  # duplicating the system users into virtual database.
  #
  # <doc/wiki/PasswordDatabase.txt>
  #
  # By adding master=yes setting inside a passdb you make the passdb a list
  # of "master users", who can log in as anyone else. Unless you're using PAM,
  # you probably still want the destination user to be looked up from passdb
  # that it really exists. This can be done by adding pass=yes setting to the
  # master passdb. <doc/wiki/Authentication.MasterUsers.txt>

  # Users can be temporarily disabled by adding a passdb with deny=yes.
  # If the user is found from that database, authentication will fail.
  # The deny passdb should always be specified before others, so it gets
  # checked first. Here's an example:

  #passdb passwd-file {
    # File contains a list of usernames, one per line
    #args = /etc/dovecot.deny
    #deny = yes
  #}

  # PAM authentication. Preferred nowadays by most systems. 
  # Note that PAM can only be used to verify if user's password is correct,
  # so it can't be used as userdb. If you don't want to use a separate user
  # database (passwd usually), you can use static userdb.
  # REMEMBER: You'll need /etc/pam.d/dovecot file created for PAM
  # authentication to actually work. <doc/wiki/PasswordDatabase.PAM.txt>
  passdb pam {
    # [blocking=yes] [session=yes] [setcred=yes]
    # [cache_key=<key>] [<service name>]
    #
    # By default a new process is forked from dovecot-auth for each PAM lookup.
    # Setting blocking=yes uses the alternative way: dovecot-auth worker
    # processes do the PAM lookups.
    #
    # session=yes makes Dovecot open and immediately close PAM session. Some
    # PAM plugins need this to work, such as pam_mkhomedir.
    #
    # setcred=yes makes Dovecot establish PAM credentials if some PAM plugins
    # need that. They aren't ever deleted though, so this isn't enabled by
    # default.
    #
    # cache_key can be used to enable authentication caching for PAM
    # (auth_cache_size also needs to be set). It isn't enabled by default
    # because PAM modules can do all kinds of checks besides checking password,
    # such as checking IP address. Dovecot can't know about these checks
    # without some help. cache_key is simply a list of variables (see
    # /usr/share/doc/dovecot-common/wiki/Variables.txt) which must match for
    # the cached data to be used. Here are some examples:
    #   %u - Username must match. Probably sufficient for most uses.
    #   %u%r - Username and remote IP address must match.
    #   %u%s - Username and service (ie. IMAP, POP3) must match.
    # 
    # If service name is "*", it means the authenticating service name
    # is used, eg. pop3 or imap (/etc/pam.d/pop3, /etc/pam.d/imap).
    #
    # Some examples:
    #   args = session=yes *
    #   args = cache_key=%u dovecot
    #args = dovecot
  }

  # System users (NSS, /etc/passwd, or similiar)
  # In many systems nowadays this uses Name Service Switch, which is
  # configured in /etc/nsswitch.conf. <doc/wiki/AuthDatabase.Passwd.txt>
  #passdb passwd {
    # [blocking=yes] - See userdb passwd for explanation
    #args = 
  #}

  # Shadow passwords for system users (NSS, /etc/shadow or similiar).
  # Deprecated by PAM nowadays.
  # <doc/wiki/PasswordDatabase.Shadow.txt>
  #passdb shadow {
    # [blocking=yes] - See userdb passwd for explanation
    #args = 
  #}

  # PAM-like authentication for OpenBSD.
  # <doc/wiki/PasswordDatabase.BSDAuth.txt>
  #passdb bsdauth {
    # [cache_key=<key>] - See cache_key in PAM for explanation.
    #args =
  #}

  # passwd-like file with specified location
  # <doc/wiki/AuthDatabase.PasswdFile.txt>
  #passdb passwd-file {
    # Path for passwd-file
    #args = 
  #}

  # checkpassword executable authentication
  # NOTE: You will probably want to use "userdb prefetch" with this.
  # <doc/wiki/PasswordDatabase.CheckPassword.txt>
  #passdb checkpassword {
    # Path for checkpassword binary
    #args = 
  #}

  # SQL database <doc/wiki/AuthDatabase.SQL.txt>
  #passdb sql {
    # Path for SQL configuration file
    #args = /etc/dovecot/dovecot-sql.conf
  #}

  # LDAP database <doc/wiki/AuthDatabase.LDAP.txt>
  #passdb ldap {
    # Path for LDAP configuration file
    #args = /etc/dovecot/dovecot-ldap.conf
  #}

  # vpopmail authentication <doc/wiki/AuthDatabase.VPopMail.txt>
  #passdb vpopmail {
    # [cache_key=<key>] - See cache_key in PAM for explanation.
    #args =
  #}

  #
  # User database specifies where mails are located and what user/group IDs
  # own them. For single-UID configuration use "static".
  #
  # <doc/wiki/UserDatabase.txt>
  #

  # System users (NSS, /etc/passwd, or similiar). In many systems nowadays this
  # uses Name Service Switch, which is configured in /etc/nsswitch.conf.
  # <doc/wiki/AuthDatabase.Passwd.txt>
  userdb passwd {
    # [blocking=yes] - By default the lookups are done in the main dovecot-auth
    # process. This setting causes the lookups to be done in auth worker
    # proceses. Useful with remote NSS lookups that may block.
    # NOTE: Be sure to use this setting with nss_ldap or users might get
    # logged in as each others!
    #args = 
  }

  # passwd-like file with specified location
  # <doc/wiki/AuthDatabase.PasswdFile.txt>
  #userdb passwd-file {
    # Path for passwd-file
    #args =
  #}

  # static settings generated from template <doc/wiki/UserDatabase.Static.txt>
  #userdb static {
    # Template for the fields. Can return anything a userdb could normally
    # return. For example:
    #
    #  args = uid=500 gid=500 home=/var/mail/%u
    #
    # If you use deliver, it needs to look up users only from the userdb. This
    # of course doesn't work with static because there is no list of users.
    # Normally static userdb handles this by doing a passdb lookup. This works
    # with most passdbs, with PAM being the most notable exception. If you do
    # the user verification another way, you can add allow_all_users=yes to
    # the args in which case the passdb lookup is skipped.
    #
    #args =
  #}

  # SQL database <doc/wiki/AuthDatabase.SQL.txt>
  #userdb sql {
    # Path for SQL configuration file
    #args = /etc/dovecot/dovecot-sql.conf
  #}

  # LDAP database <doc/wiki/AuthDatabase.LDAP.txt>
  #userdb ldap {
    # Path for LDAP configuration file
    #args = /etc/dovecot/dovecot-ldap.conf
  #}

  # vpopmail <doc/wiki/AuthDatabase.VPopMail.txt>
  #userdb vpopmail {
  #}

  # "prefetch" user database means that the passdb already provided the
  # needed information and there's no need to do a separate userdb lookup.
  # This can be made to work with SQL and LDAP databases, see their example
  # configuration files for more information how to do it.
  # <doc/wiki/UserDatabase.Prefetch.txt>
  #userdb prefetch {
  #}

  # User to use for the process. This user needs access to only user and
  # password databases, nothing else. Only shadow and pam authentication
  # requires roots, so use something else if possible. Note that passwd
  # authentication with BSDs internally accesses shadow files, which also
  # requires roots. Note that this user is NOT used to access mails.
  # That user is specified by userdb above.
  user = root

  # Directory where to chroot the process. Most authentication backends don't
  # work if this is set, and there's no point chrooting if auth_user is root.
  # Note that valid_chroot_dirs isn't needed to use this setting.
  #chroot = 

  # Number of authentication processes to create
  #count = 1

  # Require a valid SSL client certificate or the authentication fails.
  #ssl_require_client_cert = no

  # Take the username from client's SSL certificate, using 
  # X509_NAME_get_text_by_NID() which returns the subject's DN's
  # CommonName. 
  #ssl_username_from_cert = no

  # It's possible to export the authentication interface to other programs:
  #socket listen {
    #master {
      # Master socket provides access to userdb information. It's typically
      # used to give Dovecot's local delivery agent access to userdb so it
      # can find mailbox locations.
      #path = /var/run/dovecot/auth-master
      #mode = 0600
      # Default user/group is the one who started dovecot-auth (root)
      #user = 
      #group = 
    #}
    #client {
      # The client socket is generally safe to export to everyone. Typical use
      # is to export it to your SMTP server so it can do SMTP AUTH lookups
      # using it.
      #path = /var/run/dovecot/auth-client
      #mode = 0660
    #}
  #}

  ## dovecot-lda specific settings
  ##
  # socket listen {
  #   master {
  #     path = /var/run/dovecot/auth-master
  #     mode = 0600
  #     user = mail # User running Dovecot LDA
  #     #group = mail # Or alternatively mode 0660 + LDA user in this group
  #   }
  # }

}

# If you wish to use another authentication server than dovecot-auth, you can
# use connect sockets. They are assumed to be already running, Dovecot's master
# process only tries to connect to them. They don't need any other settings
# than the path for the master socket, as the configuration is done elsewhere.
# Note that the client sockets must exist in the login_dir.
#auth external {
#  socket connect {
#    master {
#      path = /var/run/dovecot/auth-master
#    }
#  }
#}

##
## Dictionary server settings
##

# Dictionary can be used by some plugins to store key=value lists.
# Currently this is only used by dict quota backend. The dictionary can be
# used either directly or though a dictionary server. The following dict block
# maps dictionary names to URIs when the server is used. These can then be
# referenced using URIs in format "proxy:<name>".

dict {
  #quota = mysql:/etc/dovecot-dict-quota.conf 
}

##
## Plugin settings
##

plugin {
  # Here you can give some extra environment variables to mail processes.
  # This is mostly meant for passing parameters to plugins. %variable
  # expansion is done for all values.

  # Quota plugin. Multiple backends are supported:
  #   dirsize: Find and sum all the files found from mail directory.
  #            Extremely SLOW with Maildir. It'll eat your CPU and disk I/O.
  #   dict: Keep quota stored in dictionary (eg. SQL)
  #   maildir: Maildir++ quota
  #   fs: Read-only support for filesystem quota
  #quota = maildir

  # ACL plugin. vfile backend reads ACLs from "dovecot-acl" file from maildir
  # directory. You can also optionally give a global ACL directory path where
  # ACLs are applied to all users' mailboxes. The global ACL directory contains
  # one file for each mailbox, eg. INBOX or sub.mailbox.
  #acl = vfile:/etc/dovecot-acls

  # Convert plugin. If set, specifies the source storage path which is
  # converted to destination storage (mail_location) when the user logs in.
  # The existing mail directory is renamed to <dir>-converted.
  #convert_mail = mbox:%h/mail
  # Skip mailboxes which we can't open successfully instead of aborting.
  #convert_skip_broken_mailboxes = no

  # Trash plugin. When saving a message would make user go over quota, this
  # plugin automatically deletes the oldest mails from configured mailboxes
  # until the message can be saved within quota limits. The configuration file
  # is a text file where each line is in format: <priority> <mailbox name>
  # Mails are first deleted in lowest -> highest priority number order
  #trash = /etc/dovecot-trash.conf

  # Lazy expunge plugin. Currently works only with maildirs. When a user
  # expunges mails, the mails are moved to a mailbox in another namespace
  # (1st). When a mailbox is deleted, the mailbox is moved to another namespace
  # (2nd) as well. Also if the deleted mailbox had any expunged messages,
  # they're moved to a 3rd namespace. The mails won't be counted in quota,
  # and they're not deleted automatically (use a cronjob or something).
  #lazy_expunge = .EXPUNGED/ .DELETED/ .DELETED/.EXPUNGED/
}
 
Also ich habe gerade genau nach meiner Anleitung auf einer 7270 Firmware: 54.04.76freetz-1.1-stable installiert, um Fehler auszuschließen. Freetz Pakete sind bei mir AVM-Firewall, dtmfbox, Samba, Vsftpd, Debootstrap, davfs2

Installation verlief ohne Probleme.

Ein Fehler entdeckt, bei sources.list nicht
deb http://ftp.us.debian.org/debian/etch main non-free contrib
sondern
deb http://ftp.us.debian.org/debian/ etch main non-free contrib
ich habe schon oben korrigiert.

Um zu sehen ob die Prozesse von Postfix und Dovecot laufen musst du erstmal die Debian Umgebung verlassen. Mit exit und dan erst ps

Deine configs sehen eigentlich in ordnung aus. Nur in dovecot.conf hast du zweimal mail_plugins = cmusieve stehen, einmal reicht. Aber das verursacht auch nicht das Problem, cmusieve wird nur für die Filterregeln verwendet.

Wie hast du Thunderbird eingerichtet? Als Server die IP-Adresse der Box, Port 143, Benutzername den Namen den du mit adduser eingerichtet hast und das Passwort den du ja auch beim adduser eingegeben hast. Wenn du disable_plaintext_auth = no gesetzt hast dann kannst du bei der Verschlüsselung Nie wählen.

Funktioniert bei mir mit 7170 als auch 7270 und aktuellster avm+freetz Firmware-Version 100-Prozentig!
 
genauso habe ich thunderbird eingestellt...

hier das ergebnis von ps

Code:
/var/media/ftp/uStor01/apache/htdocs # chroot /var/media/ftp/uStor01 /etc/init.d
/dovecot start
/var/media/ftp/uStor01/apache/htdocs # ps
  PID USER       VSZ STAT COMMAND
    1 root      1452 S    init
    2 root         0 SWN  [ksoftirqd/0]
    3 root         0 SW   [watchdog/0]
    4 root         0 SW<  [events/0]
    5 root         0 SW<  [khelper]
    6 root         0 SW<  [kthread]
   17 root         0 SW<  [kblockd/0]
   31 root         0 SW   [pdflush]
   32 root         0 SW   [pdflush]
   33 root         0 SW<  [kswapd0]
   34 root         0 SW<  [aio/0]
   70 root         0 SW   [pm_info]
   74 root         0 SW<  [CPMAC]
   78 root         0 SW   [mtdblockd]
  100 root         0 SW   [tffsd_mtd_0]
  423 root         0 SW   [cleanup_timer_f]
  434 root         0 SW   [dectuart_route]
  442 root         0 SWN  [jffs2_gcd_mtd5]
  483 root         0 SW<  [capi_oslib]
  484 root         0 SW<  [capi_oslib]
  485 root         0 SW   [capitransp]
  491 root         0 SW   [glob_codecs]
  495 root         0 SW   [avm_dect_thread]
  497 root         0 SW   [ksock tcp worke]
  498 root         0 SW   [ksock tcp serve]
  513 root      3156 S    aurad
  514 root      3156 S    aurad
  516 root      3156 S    aurad
  517 root      3156 S    aurad
  523 root         0 SW<  [khubd]
  630 root      7536 S N  ctlmgr
  770 root         0 SW<  [scsi_eh_0]
  771 root         0 SW<  [usb-storage]
 1053 root      7536 S N  ctlmgr
 1054 root      7536 S N  ctlmgr
 1058 root      7536 S N  ctlmgr
 1159 root      3376 S    upnpd
 1184 root      3368 S    multid -t
 1191 root      3416 S    dsld -i -n
 1200 root      5804 S    telefon a127.0.0.1
 1204 root      5172 S <  voipd
 1209 root      3136 S    pbd
 1210 root      3136 S    pbd
 1216 root      1636 S    /usr/sbin/inetd
 1218 root      3136 S    pbd
 1222 root      3136 S    pbd
 1225 root      3604 S    dect_manager
 1235 root      1112 S    /bin/run_clock -c /dev/tffs -d
 1264 root      2844 S    /usr/bin/faxd -a
 1267 root         0 SW<  [kjournald]
 1277 root      3368 S    multid -t
 1325 root      3376 S    upnpd
 1326 root      3376 S    upnpd
 1327 root      3376 S    upnpd
 1331 root         0 RWN  [kdsld_token]
 1381 root      1432 S    /sbin/chronyd -f /var/tmp/chrony.conf
 1453 root      1648 S    sh /var/usb_automount.sh
 1505 root      1636 S    crond -b
 1513 root      1632 S    httpd -P /var/run/webcfg.pid -p 81 -c /mod/etc/httpd.
 1526 root      1648 S    syslogd -L -C
 1761 root      1788 S    /bin/ash /usr/sbin/callmonitor
 1764 root      1632 S    logger -t callmonitor -p daemon.info
 1782 root      1788 S    /bin/ash /usr/sbin/callmonitor
 1783 root      1788 S    /bin/ash /usr/sbin/callmonitor
 1784 root      1788 S    /bin/ash /usr/sbin/callmonitor
 1785 root      1632 S    busybox nc 127.0.0.1 1012
 1786 root      1788 S    /bin/ash /usr/sbin/callmonitor
 1793 root         0 SW<  [cifsoplockd]
 1794 root         0 SW<  [cifsdnotifyd]
 1819 root      2872 S    stunnel
 1890 root      1300 S    checkmaild -daemon -path /mod/etc/
 1906 root      1564 S    dropbear -p 22 -R -s
 1984 root      2912 S    vsftpd
 2071 root      3272 S N  smbd -D -s /mod/etc/smb.conf
 2073 root      2508 S    nmbd -D -s /mod/etc/smb.conf
 2116 root      1668 S    /bin/sh /etc/default.rrdstats/rrdstats 60
 2257 root      2744 S    /usr/bin/./bip -f /var/media/ftp/uStor01/bip/bip.conf
 2263 root      1452 S    init
 2275 root       968 S    /var/tmp/apache/apache -f /var/tmp/apache/conf/apache
 2276 root      1656 S    /bin/ash /var/tmp/apache/htdocs/FritzLoad/autorunfl.s
 2286 root      1016 S    /var/tmp/apache/apache -f /var/tmp/apache/conf/apache
 2287 root      1016 S    /var/tmp/apache/apache -f /var/tmp/apache/conf/apache
 8680 root      3292 S <  ./dtmfbox -daemon -cfg /var/dtmfbox/dtmfbox.cfg
 8681 root      3292 S <  ./dtmfbox -daemon -cfg /var/dtmfbox/dtmfbox.cfg
 8682 root      3292 S <  ./dtmfbox -daemon -cfg /var/dtmfbox/dtmfbox.cfg
 8683 root      3292 S <  ./dtmfbox -daemon -cfg /var/dtmfbox/dtmfbox.cfg
 8684 root      3292 S <  ./dtmfbox -daemon -cfg /var/dtmfbox/dtmfbox.cfg
 8685 root      3292 R N  ./dtmfbox -daemon -cfg /var/dtmfbox/dtmfbox.cfg
21895 root      1792 S    dropbear -p 22 -R -s
21896 root      1472 S    -sh
22014 root      1016 S    /var/tmp/apache/apache -f /var/tmp/apache/conf/apache
24385 root      1712 S    /bin/ash ./fritzload.sh i1 -l config/dl_jobs1.txt
24744 root      1252 S    /var/media/ftp/uStor01/apache/htdocs/FritzLoad/bin/cu
27773 root      1448 R    ps

thunderbird sagt mir, dass could not connect to mailserver 192.168.178.1. The connection was refused.
 
Hmmm...

also ein Ausschnitt aus meiner ps
1182 root 1092 S /sbin/chronyd -f /var/tmp/chrony.conf
1523 root 9100 S /usr/lib/postfix/master
1525 100 9364 S pickup -l -t fifo -u -c
1526 100 9408 S qmgr -l -t fifo -u
1610 root 3380 S /usr/sbin/dovecot
1611 root 17688 S dovecot-auth
1612 101 5012 S imap-login
1613 101 5012 S imap-login
1693 101 5012 S imap-login
1746 root 1188 S httpd -P /var/run/webcfg.pid -p 81 -c /mod/etc/httpd.

postfix und dovecot steht drin und funktioniert.

Was ich dir vorschlagen könnte mal eine neue Freetz Image erstellen und nur die nötigsten Pakete auswählen. Und das ganze von vorne.
Hatte auch erst nach vielen versuchen hin gekriegt für mich war die Funktion halt sehr wichtig.
 
Hallo,

habe debian noch einmal neu installiert - jetzt laufen alle 3 dienste! Werde jetzt noch etwas feiner konfigurieren, SLL , andere mailaddys etc, aber soweit steht schonmal alles!

Vielen Dank nochmal :)
 
Na das freut mich wenn’s geklappt hat! :)
 
so nachdem mein SSL verbindung funktionieren, frage ich mich, ob es möglich ist, nichtnur ein lokalen mail server daraus zu machen, sondern ihn so zu benutzen emails an eine bestimmte adresse zu bekommen? funktioniert das, welche einstellungen musss man da machen? bzw weiß jemand infos dazu ?
 
hallo,

ist eine sehr schöne anleitung! leider ist sie aber wieder mal nur für freetz gedacht :(

hat jemand einen statischen debootstrap für die fritzboxen mit originalfirmware? geht es auch villeicht irgendwie ohne debootstrap?

gruß
Radislav
 
irgendwie scheint dovecot eine zicke zu sein - nachdem ich geupdated habe bekomme ich nur noch den Fehler "Segmentation fault" - ohne weitere begründung...arghs
 
Ich hatte mit Dovecot nur unter Lenny Probleme unter Etch hat's noch nie gezickt.

[edit] So rum
 
Zuletzt bearbeitet:
komisch, ich hatte lenny installiert, da bekam ichs garnicht ans laufen - einfach nur "Segmentation fault" ohne irgendwelche angaben - hat sich dort etwas an der config geändert oder so, was nicht kompatibel ist ?
 
Sorry, genau so rum war's, dachte erst kam Etch, dann Lenny, aber es war ja anders rum. Also Debian 4.0 ging, 5.0 nicht. Ich glaub es hängt mit irgend ner Lib bzw. der Kernelversion auf der Box zusammen, hab da aber nicht so viel Ahnung und mich bisher auch noch nicht damit beschäftigt. Interessanterweise soll aber ja glaub ich der Phoenix Mod auf Lenny setzen.
 
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