charles marcus qqugswomediabrokerscom osni passos 2192008 723 said following finished configuration changing excerpt thanks help dont think anyone told better think im expert means would smtpd_data_restrictions reject_unauth_pipelining smtpd_recipient_restrictions permit_sasl_authenticated reject_unauth_destination reject_unlisted_recipient reject_invalid_helo_hostname reject_unknown_client reject_non_fqdn_sender reject_unknown_sender_domain check_relay_domains spf check check_policy_service unixprivatepolicy postgrey check_policy_service inet12700160000 aware following result rejecting legitimate mail reject_unknown_hostname best regards charles thu 07 aug 2008 000113 0500 res res postfix running without authentication smtp