Re: [Dovecot] Using Dovecot-auth to return error code 450 (or other 4xx) to Postfix when user is on vacation

anyway if you use other vacation tecs, make sure allready flagged spam by i.e clamav, amavis, spamassassin etc in postfix stage is not handled by your vacation service , script etc. as far i remember i gave some patch to the postfixadmin vacation script doing exact this

If you're using any antispam soft that gives every mail a spam score (like spamassassin does), you can use a strong rule for vacation replies (like "only messages with a spam score under 5 are allowed, but only those under 3 may have a vacation reply").