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Christian Benke

2013-Mar-17 00:20 UTC

[Dovecot] Dovecot as LDA with Postfix and virtual users

Hello!

I've been trying to configure Dovecot to work as LDA for file-based
virtual users with Postfix.

Some part in the configuration seems to miss though, as mails are
received by Postfix, but instead of giving it to Dovecot for delivery,
it delivers the mails itself.

Postfix drops the mail in /var/mail/<user>/mbox, if Dovecot would be
called, it should deliver it to /var/vmail/<domain>/<user>/Maildir.

I've made sure to add the dovecot-service to postfix/master.cf
according to http://wiki2.dovecot.org/LDA/Postfix and tried all kinds
of settings and did quadruple checks for errors.

I'm using Debian 6.0 with Dovecot 2.1.7(From backports) and Postfix 2.7.1

I've been trying to figure out what's missing for a few hours now and
have to give up for today. I hope someone can help me with a hint
what's missing or wrong :-/

Here's an excerpt from my mail.log, my postconf -n and dovecot -n:

Mar 17 00:02:46 poab postfix/smtpd[15333]: connect from
mail-wg0-f47.google.com[74.125.82.47]
Mar 17 00:02:46 poab postfix/smtpd[15333]: setting up TLS connection
from mail-wg0-f47.google.com[74.125.82.47]
Mar 17 00:02:46 poab postfix/smtpd[15333]: Anonymous TLS connection
established from mail-wg0-f47.google.com[74.125.82.47]: TLSv1 with
cipher RC4-SHA (128/128 bits)
Mar 17 00:02:46 poab dovecot: auth: Debug: Loading modules from
directory: /usr/lib/dovecot/modules/auth
Mar 17 00:02:46 poab dovecot: auth: Debug: Module loaded:
/usr/lib/dovecot/modules/auth/libdriver_mysql.so
Mar 17 00:02:46 poab dovecot: auth: Debug: Module loaded:
/usr/lib/dovecot/modules/auth/libdriver_pgsql.so
Mar 17 00:02:46 poab dovecot: auth: Debug: Module loaded:
/usr/lib/dovecot/modules/auth/libdriver_sqlite.so
Mar 17 00:02:46 poab dovecot: auth: Debug: passwd-file
/etc/dovecot/users: Read 1 users in 0 secs
Mar 17 00:02:46 poab dovecot: auth: Debug: auth client connected (pid=0)
Mar 17 00:02:46 poab postfix/smtpd[15333]: 66AD04E23EE:
client=mail-wg0-f47.google.com[74.125.82.47]
Mar 17 00:02:46 poab postfix/cleanup[15340]: 66AD04E23EE:
message-id=<CAAMQ8bSEetcSYKKHKhbAqWxJwRewaPB_wA2DK8J4N-q5Y+dG7w at
mail.gmail.com>
Mar 17 00:02:46 poab postfix/qmgr[14844]: 66AD04E23EE: from=<benkkk AT
wheemail.com>, size=1611, nrcpt=1 (queue active)
Mar 17 00:02:46 poab postfix/smtpd[15333]: disconnect from
mail-wg0-f47.google.com[74.125.82.47]
Mar 17 00:02:46 poab postfix/local[15341]: 66AD04E23EE: to=<benkkk AT
example.com>, relay=local, delay=0.35, delays=0.3/0.01/0/0.04,
dsn=2.0.0, status=sent (delivered to mailbox)
Mar 17 00:02:46 poab postfix/qmgr[14844]: 66AD04E23EE: removed

# postconf -n
alias_database = hash:/etc/aliases
alias_maps = hash:/etc/aliases
append_dot_mydomain = no
biff = no
broken_sasl_auth_clients = yes
config_directory = /etc/postfix
debug_peer_level = 3
inet_interfaces = all
inet_protocols = all
mailbox_size_limit = 5120000000
myhostname = example.com
mynetworks = 127.0.0.0/8 [::ffff:127.0.0.0]/104 [::1]/128
myorigin = /etc/mailname
readme_directory = no
recipient_delimiter = +
relayhost smtp_tls_CAfile = /etc/ssl/certs/ca-certificates.crt
smtp_tls_note_starttls_offer = yes
smtp_tls_session_cache_database = btree:${data_directory}/smtp_scache
smtp_use_tls = yes
smtpd_banner = $myhostname ESMTP $mail_name (Debian/GNU)
smtpd_helo_required = yes
smtpd_helo_restrictions = reject_invalid_helo_hostname
smtpd_recipient_restrictions = reject_unknown_recipient_domain,
reject_unauth_pipelining, permit_mynetworks,
permit_sasl_authenticated, reject_unauth_destination
smtpd_reject_unlisted_recipient = yes
smtpd_sasl_auth_enable = yes
smtpd_sasl_local_domain = $myhostname
smtpd_sasl_path = private/auth
smtpd_sasl_security_options = noanonymous
smtpd_sasl_tls_security_options = $smtpd_sasl_security_options
smtpd_sasl_type = dovecot
smtpd_sender_login_maps = hash:/etc/postfix/sender_login_maps
smtpd_sender_restrictions = reject_authenticated_sender_login_mismatch
smtpd_tls_CAfile = /etc/ssl/certs/ca-certificates.crt
smtpd_tls_auth_only = yes
smtpd_tls_cert_file = /etc/ssl/certs/postfix.pem
smtpd_tls_key_file = /etc/ssl/private/postfix.key
smtpd_tls_loglevel = 1
smtpd_tls_received_header = yes
smtpd_tls_session_cache_database = btree:${data_directory}/smtpd_scache
smtpd_tls_session_cache_timeout = 3600s
smtpd_use_tls = yes
tls_random_source = dev:/dev/urandom
virtual_alias_maps = hash:/etc/postfix/virtual_alias_maps
virtual_mailbox_domains = hash:/etc/postfix/virtual_mailbox_domains
virtual_mailbox_maps = hash:/etc/postfix/virtual_mailbox_maps
virtual_transport = dovecot

# dovecot -n
# 2.1.7: /etc/dovecot/dovecot.conf
# OS: Linux 2.6.32-5-openvz-amd64 x86_64 Debian 6.0.7
auth_debug = yes
auth_debug_passwords = yes
auth_mechanisms = plain login
auth_socket_path = /var/run/dovecot/auth-master
auth_verbose = yes
auth_verbose_passwords = sha1
first_valid_gid = 5000
first_valid_uid = 5000
last_valid_gid = 5000
last_valid_uid = 5000
lda_mailbox_autocreate = yes
log_timestamp = "%Y-%m-%d %H:%M:%S "
mail_debug = yes
mail_gid = 5000
mail_home = /var/vmail/%d/%n
mail_location = maildir:~/Maildir
mail_privileged_group = vmail
mail_uid = 5000
namespace inbox {
  inbox = yes
  location   mailbox Drafts {
    special_use = \Drafts
  }
  mailbox Junk {
    special_use = \Junk
  }
  mailbox Sent {
    special_use = \Sent
  }
  mailbox "Sent Messages" {
    special_use = \Sent
  }
  mailbox Trash {
    special_use = \Trash
  }
  prefix }
passdb {
  args = scheme=SHA1 /etc/dovecot/users
  driver = passwd-file
}
plugin {
  sieve = ~/.dovecot.sieve
  sieve_dir = ~/sieve
}
protocols = " imap"
service auth {
  unix_listener /var/spool/postfix/private/auth {
    group = postfix
    mode = 0666
    user = postfix
  }
}
service imap-login {
  inet_listener imap {
    port = 143
  }
  inet_listener imaps {
    port = 0
  }
}
ssl_cert = </etc/ssl/certs/postfix.pem
ssl_key = </etc/ssl/private/postfix.key
userdb {
  args = uid=5000 gid=5000 home=/var/vmail/%d/%n allow_all_users=yes
  driver = static
}
verbose_ssl = yes
protocol lda {
  mail_plugins }


Thanks & good night,
Christian

--
Central Asia by bike, starting May 2013 - http://poab.org

/dev/rob0

2013-Mar-17 01:58 UTC

head link

[Dovecot] Dovecot as LDA with Postfix and virtual users

On Sun, Mar 17, 2013 at 01:20:55AM +0100, Christian Benke
wrote:> I've been trying to configure Dovecot to work as LDA for file-based
> virtual users with Postfix.
> 
> Some part in the configuration seems to miss though, as mails are 
> received by Postfix, but instead of giving it to Dovecot for 
> delivery, it delivers the mails itself.
Perhaps surprisingly, this is a Postfix issue, not a Dovecot one.
> Postfix drops the mail in /var/mail/<user>/mbox, if Dovecot would be
> called, it should deliver it to
/var/vmail/<domain>/<user>/Maildir.
> 
> I've made sure to add the dovecot-service to postfix/master.cf
> according to http://wiki2.dovecot.org/LDA/Postfix and tried all kinds
> of settings and did quadruple checks for errors.
> 
> I'm using Debian 6.0 with Dovecot 2.1.7(From backports) and Postfix
2.7.1
> 
> I've been trying to figure out what's missing for a few hours now
and
> have to give up for today. I hope someone can help me with a hint
> what's missing or wrong :-/
> 
> Here's an excerpt from my mail.log, my postconf -n and dovecot -n:
> 
[snip]> Mar 17 00:02:46 poab postfix/local[15341]: 66AD04E23EE: to=<benkkk AT
> example.com>, relay=local, delay=0.35, delays=0.3/0.01/0/0.04,
> dsn=2.0.0, status=sent (delivered to mailbox)
This is postfix/local, which means it is not being routed to your 
virtual_transport. It means example.com is in mydestination.
> Mar 17 00:02:46 poab postfix/qmgr[14844]: 66AD04E23EE: removed
> 
> # postconf -n
> alias_database = hash:/etc/aliases
> alias_maps = hash:/etc/aliases
> append_dot_mydomain = no
> biff = no
> broken_sasl_auth_clients = yes
> config_directory = /etc/postfix
> debug_peer_level = 3
> inet_interfaces = all
> inet_protocols = all
> mailbox_size_limit = 5120000000
> myhostname = example.com
...
You did not even set mydestination, thus you get the default. You 
really should review the Postfix Basic Configuration README:

http://www.postfix.org/BASIC_CONFIGURATION_README.html

Perhaps you'd be better off without the virtual mailboxes anyway?

[snip]> Central Asia by bike, starting May 2013 - http://poab.org
Wow, a great adventure, good luck!
-- 
  http://rob0.nodns4.us/ -- system administration and consulting
  Offlist GMX mail is seen only if "/dev/rob0" is in the Subject:

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