since two weeks we have some problems with forwarded mail to aol.
The problem is:
we have a virtual mail address email@example.com
(these has no postbox) and forward the mail to firstname.lastname@example.org
now some spammers detect the mail on our system and send mails to this address.
so aol maked our email server as origin of the spam.
how i can say postfix that he must use spamassassin to check that kind of outgoing mail (orig_to)? any idea?
we have a running syscp installation with postfix and spamassassin via maildrop module.
my first thought was: added smtpd -o spamassassin in the postfix master.cf. but the mailserver break down and double checked every mail because of maildrop.
hope for response