Re: Configuring LMTP/IMAP proxy

23 Dec 2014 · *Usuario Linux*

      On Mon, Dec 22, 2014 at 12:06 PM, Le Moing, Guenhaël <
guenhael.le-moing@capgemini.com> wrote:
...
So my main question are :

 I just made a test and changed  "lmtp_proxy" to "yes" in my
20_lmtp.cong file, but, strangely, this did not cah nge anything ! The LMTP
process still receives mails and stores them on the local host ,

 Are there any documentation describing this process in details ? I
only found some pieces on wiki pages, but not enough unfortunately ...

 Are there some configuratiion files ready to use for my
configuration.

Thanks in advance.
Cordialement.
Guenhaël.
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Hi Guenhaël
I was working in a project with 2 "front-end" servers (POP3/IMAP/LMTP
proxy) and 2 "back-end" servers (Mailbox). I configured Director[1] in the
proxies to reduce conflicts and master-password[2]. My proxies don't have
userdb nor location because they do not store emails, those configs are in
the back-end.
My backend is an "standalone" Dovecot but with master-password allowed in
trusted networks as described in the wiki[2][3].
Also, I configured PoolMon[4] in all proxies and added Debian/Ubuntu
scripts[5].
[... I removed some configs for short...]
------------ PROXY doveconf --------------
[...]
director_mail_servers = 10.0.0.74 10.0.0.75
director_servers = 10.0.0.72 10.0.0.73
doveadm_port = 24245
lmtp_proxy = yes
passdb {
driver = pam
override_fields = proxy=y ssl=any-cert master=proxy@alpha.mydomain.com
pass=<PASSWORD-PROXY-MASTER>
}
service director {
fifo_listener login/proxy-notify {
mode = 0600
user = $default_login_user
}
inet_listener {
port = 9090
}
unix_listener director-userdb {
mode = 0600
}
unix_listener login/director {
mode = 0666
}
}
service doveadm {
inet_listener {
port = 24245
}
}
service imap-login {
executable = imap-login director
[...]
}
service ipc {
unix_listener ipc {
user = dovecot
}
}
service lmtp {
executable = lmtp -L
[...]
}
service pop3-login {
executable = pop3-login director
[...]
}
protocol lmtp {
auth_socket_path = director-userdb
[...]
}
protocol doveadm {
auth_socket_path = director-userdb
}
local 10.0.0.0/24/24 {
doveadm_password = <PASSWORD-DOVEADM>
doveadm_port = 24245
}
----------------- END --------------------------------------
Not sure if this will work for you but maybe it helps you to get an idea.
Regards,
Manuel Delgado

*Usuario Linux* *#520940 http://counter.li.org/*
Bach. Computación e Informática
Universidad de Costa Rica
[1] http://wiki2.dovecot.org/Director
[2] http://wiki2.dovecot.org/PasswordDatabase/ExtraFields/Proxy
[3] http://wiki2.dovecot.org/Authentication/MasterUsers
[4] http://www.dovecot.org/list/dovecot/2010-August/051946.html
[5] https://github.com/valarauco/poolmon