[Dovecot] Logging authentication failures when Dovecot's auth service used to authenticate postfix smtpd

[Reindl Harald]

Am 28.02.2014 16:57, schrieb MV:
> Please ignore my previous email. I guess the lack of sleep has taken
> the best of me.
> 
> What I was trying to achieve is, to have a log entry for every
> authentication attempted regardless of its success or failure. And
> from that log I should extract the client's IP.
> 
> My setup authenticates imap and pop3 users through a "passwd-file"
> authentication database. And postfix is setup to authenticate
> submissions through the dovecot socket "auth". So far so good.
> 
> Currently ("auth_verbose = yes" and "auth_debug = no") when a client
> connects to either imap, pop3 or submission/smtpd and fails to
> authenticate, Dovecot *immediately* logs the failure as below.

in case of SASL postfix is talking via a unix socket
so there is no connection IP dovecot knows about

service auth {
  unix_listener /var/spool/postfix/private/auth {
  mode                         = 0660
  user                         = postfix
  group                        = postfix
 }
}


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