On Wed, Jan 01, 2025 at 10:01:56PM +0100, Antonin VERRIER via Postfix-users
wrote:
> Le 01/01/2025 à 21:26, Christian Seberino via Postfix-users a écrit :
> [...]
> > server.login("cs@bighelp.business", password)
> [...]
> > =================================================================================
> > doveconf -n
> > =================================================================================
> [...]
> > passdb {
> > driver = pam
> > }
> [...]
> > userdb {
> > driver = passwd
> > }
>
> You're using the system auth databases, which have no notion of auth realm
> (ie. domain).
>
> With your current config, Dovecot is trying to find a system user whose
> login is literally "cs@bighelp.business".
>
> You need to configure auth_username_format = %n in Dovecot so it strips the
> domain before querying PAM.
Or, change the SMTP client to only use the bare user name in its login
attempt, sans "@domain" suffix.
--
Viktor.
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