justin piszcz wqvmcqblucidpixelscom tue 12 feb 2008 james wrote stupid question pretty easy someone answer whats conf line setting blacklist recipient addresses postfix instance odgovlxxmydomaincom mailbox doesnt exist want mailserver reject soon someone tries send address relay server dont want checking mailboxes want make simple list mail addresses reject delivery im thinking something like hashetcpostfixsender_access smtpd_recipient_restrictions check_sender_access sender_access odgovlxxmydomaincom reject kqpixrkktgdmydomaincom reject ywcvgrdlkkcvjojmydomaincom reject postmap sender_access right want check start anything tia james use reject_unlisted_recipient justin tue 05 aug 2008 220322 0500 blacklisting recipient address