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Posts tagged SMTP

We had a client with 3000+ named users, and each of them were configured without authentication for smtp relaying, the qmail/vpopmail system they were migrating from had "pop before smtp" authentication. Well, we wanted to have as little disruption as possible for the migration so we needed to enable this same feature in Zimbra. It is still planned to cutover the clients to SMTP Authentication, but this allows for a somewhat smoother transition. 1) Download and install Pop-before-smtp - Changes in /etc/pop-before-smtp-conf.pl: $dbfile = '/opt/zimbra/postfix/conf/pop-before-smtp'; $ENV{'PATH'} = '/opt/zimbra/postfix/sbin'; $logtime_pat = '(dddd-dd-dd d+:d+:d+)'; $pat = '[LOGTIME],d+ INFO [Pop3Server-d+\] [name=[A-Za-z0-9._%-]+@[A-Za-z0-9.-]+.[A-Za-z]{2,4};oip=(d+.d+.d+.d+);] pop - user [A-Za-z0-9._%- ]+@[A-Za-z0-9.-]+.[A-Za-z]{2,4} authenticated, mechanism=login'; $out_pat …

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