> > OK, now more. Apparently there is a problem with one of my users who > is constantly being spammed by a specific remote sender. The remote > senders email is always the same and somehow gets bounced for days in > between my postfix server and my exchange bridgehead. What can I do to > just delete it once and for all? I've tried looking for it on the > queue, but it gets past that too quickly. >
We have the same problem. A couple random users on the net have been harassing one of our email holders with lots of spam. You will need to tweak this accordingly, but this is what we have on our relays in the main.cf: smtpd_recipient_restrictions = hash:/etc/postfix/custom/access, permit_mynetworks, reject_unknown_sender_domain, reject_rbl_client zen.spamhaus.org, reject_rbl_client bl.spamcop.net, reject_rbl_client rhsbl.ahbl.org, reject_rbl_client dnsbl-1.uceprotect.net, check_policy_service inet:10.80.65.26:5847, reject_unauth_pipelining, reject_unauth_destination, reject_invalid_hostname [r...@hsoakmta03l02 postfix]# cat custom/access [email protected] REJECT "Stop spamming our users" [email protected] REJECT "Stop spamming our users" ...
