On 2023-05-16 at 12:19:03 UTC-0400 (Tue, 16 May 2023 18:19:03 +0200)
Víctor Rubiella Monfort via Postfix-users <vrubie...@cdmon.com>
is rumored to have said:
For example for imap/pop login failures dovecot log email account
that produces the failure.
On 16.05.23 13:57, Bill Cole via Postfix-users wrote:
If you are using Dovecot for SASL and have auth_verbose enabled in
Dovecot, it will log failures. For failed Postfix authentications, you
will see lines logged by auth-worker in the info log with the
username, remote IP, and failure type.
this is how it looks:
May 17 00:00:08 mail dovecot[20429]: auth-worker(32269):
pam(smbuser,46.148.40.154): pam_authenticate() failed: Authentication failure
(Password mismatch?)
May 17 00:00:10 mail postfix/smtps/smtpd[29904]: warning:
unknown[46.148.40.154]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
it's not easy to pair these two log lines though.
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