noel jones ubdarhmeganvbhcsorg bryan irvine wrote thu feb 28 2008 1007 noel jones wrote bryan irvine wrote im getting spam thats got obviously fake addresses obvious fake using real hostname tried writing regexp doesnt work make email address bofhbcmx2mydomaincom still delivers maincf ive put header_checks regexpetcpostfixheader_checks header_checks mx2mydomaincom reject hostname bryan regexp wrong means zero proceeding character use mean zero anything mx2examplecom reject invalid address didnt work either show exactly trying match probably better done check_sender_access map already pointed sql query table appears missing make hash table containing invalid sender maincf smtpd_sender_restrictions check_sender_access hashetcpostfixsenders senders mx2examplecom reject invalid sender address run postmap sender postfix reload noel jones thu 07 aug 2008 233931 0600 failing header_checks