Postfix User wrote > I am trying to reject instead of sending bounce message back when email > arrives to non existing account at domains hosted by my server.
Anyone having similar problem, check_recipient_access map fixed my problem postconf -n | grep smtpd_relay_restrictions smtpd_relay_restrictions = permit_mynetworks, permit_sasl_authenticated, reject_unauth_destination, check_recipient_access mysql:/etc/postfix/sqlconf/sender_access.cf sender_access.cf query = SELECT if(count(*) = 0, "REJECT 'User doesn't exist'", "OK") FROM users u WHERE u.username='%u' AND u.domain='%d' AND u.active='1'; -- View this message in context: http://postfix.1071664.n5.nabble.com/Prevent-Backscatter-tp88359p88404.html Sent from the Postfix Users mailing list archive at Nabble.com.
