james ywazlnttmclcom 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 tue 05 aug 2008 190117 0800 blacklisting recipient address