That's exactly what I was looking for, thank you so much guys!
2014-08-24 17:06 GMT+01:00 Viktor Dukhovni <postfix-us...@dukhovni.org>: > On Sun, Aug 24, 2014 at 04:52:35PM +0100, Edwin Marqe wrote: > >> Is there a Postfix specific command that would end/kill a user's >> session? If not, any workaround that would disconnect that user? I've >> been trying to find something regarding this in the documentation but >> found nothing. > > Postfix 2.11 or later has a new feature: > > http://www.postfix.org/postconf.5.html#check_sasl_access > > If your relay restrictions look like: > > main.cf: > indexed = ${default_database_type}:${config_directory}/ > smtpd_relay_restrictions = > check_sasl_access ${indexed}sasl-access, > permit_sasl_authenticated, > permit_mynetworks, > reject_unauth_destination > > (before any user account is compromised), then once an account > is hijacked: > > sasl-access: > lu...@example.com REJECT 5.7.1 Your login is compromised. > > # cd /etc/postfix; postmap sasl-access > > The relay check is performed for every message, even for > established connections. > > -- > Viktor.
