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-   -   Configuring Postfix (virtual_transport = dovecot) (http://www.howtoforge.com/forums/showthread.php?t=58249)

snowweb 14th August 2012 05:17

Configuring Postfix (virtual_transport = dovecot)
 
I've setup dovecot to use user/password files to store username and passwords and I'm able to login via roundcube successfully, which makes use of those files via dovecot.

I have setup Postfix to use virtual_transport = dovecot so since dovecot is now able to see my maildirs, usernames and their associated passwords, I would expect Postfix to have all that it needs to authenticate users sending mail and to deliver incoming mail to their maildirs.

That doesn't seem to be the case though and I wonder if someone can give me some pointers?

I didn't use the following directives in the /etc/postfix/main.cf

virtual_mailbox_domains
virtual_mailbox_base
virtual_mailbox_maps
virtual_uid_maps
virtual_gid_maps

because dovecot already knows all those things and since we're using "virtual_transport = dovecot" I guess they are not needed?

Here is my postconf -n output
Code:

alias_database = hash:/etc/aliases                             
alias_maps = hash:/etc/aliases                                 
command_directory = /usr/sbin                                   
config_directory = /etc/postfix                                 
daemon_directory = /usr/libexec/postfix                         
data_directory = /var/lib/postfix                               
debug_peer_level = 2                                           
default_destination_concurrency_limit = 5                       
home_mailbox = Maildir/                                         
html_directory = no                                             
in_flow_delay = 1s                                             
inet_protocols = all                                           
local_recipient_maps =                                         
mail_owner = postfix                                           
mail_spool_directory = /var/mail                               
mailq_path = /usr/bin/mailq.postfix                             
manpage_directory = /usr/share/man                             
mydestination = $myhostname, localhost.$mydomain, localhost, $mydomain                                                           
myhostname = mail.bk1.server                                   
mynetworks_style = host
myorigin = $mydomain
newaliases_path = /usr/bin/newaliases.postfix
queue_directory = /var/spool/postfix
readme_directory = /usr/share/doc/postfix-2.6.6/README_FILES
sample_directory = /usr/share/doc/postfix-2.6.6/samples
sendmail_path = /usr/sbin/sendmail.postfix
setgid_group = postdrop
smtpd_sasl_path = private/auth
smtpd_sasl_type = dovecot
unknown_local_recipient_reject_code = 550
virtual_transport = dovecot

here is my dovecot -n
Code:

# OS: Linux 2.6.32-279.2.1.el6.x86_64 x86_64 CentOS release 6.3 (Final) ext4
auth_mechanisms = plain login
disable_plaintext_auth = no
last_valid_gid = 1000
mail_gid = 502
mail_location = maildir:/var/mail/%d/%n/Maildir
mail_uid = 501
passdb {
  args = username_format=%u /etc/dovecot/users
  driver = passwd-file
}
ssl = no
userdb {
  args = username_format=%u /etc/dovecot/users
  driver = passwd-file
}
verbose_proctitle = yes

The server will be host to a few virtual domains.

Thanks, I really appreciate your attention. :-)

Peter

tahunasky 18th August 2012 22:15

You need to tell postfix that dovecot is going to be your LDA (local delivery agent), so you need to edit the postfix/master.cf file and put something like this in it:

Code:


dovecot  unix  -      n      n      -      -      pipe
  flags=DRhu user=vmail:mail argv=/usr/libexec/dovecot/dovecot-lda -f {sender} -d ${recipient}

You will also need to disable SELinux or find some way to make it work with dovecot as the LDA, i tried for ages and couldnt, so gave up.


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