On 10/21/2009 12:22 PM, Gary Smith wrote: > 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 Ouch... Why are you spamming zen.spamhaus.org (and the others) with queries for messages you will reject later (reject)unauth_destination)? You're also slamming your policy service with the same thing. Move reject_unauth_destination up above these checks... -- Best regards, Charles
