text_combined: magnus bäck tvyomcdseklthse sunday february 17 2008 2104 cet leonard jacobs wrote place suggest check resolve invalid rejection indicated log file entry feb 14 133938 postfix postfixsmtpd29966 noqueue reject rcpt gwa6webcontrolcentercom6313420731 550 517 sender address rejected undeliverable address host mailb5webcontrolcentercom216119115134 said 550 sender allowed reply mail command protoesmtp helo varlogmaillog1gzfeb 14 133938 postfix postfixsmtpd29966 noqueue reject rcpt gwa6webcontrolcentercom6313420731 550 517 sender address rejected undeliverable address host mailb5webcontrolcentercom216119115134 said 550 sender allowed reply mail command protoesmtp helo dont implement sender address verification indiscriminantly never implement policy without making sure know bypass certain clients local_recipient_maps mydestination myhostname localhostmydomain mydomain listsmydomain listsshambhalacom youre disabling local recipient validation bad idea relay_domains mynetworks shambhalacom hashetcpostfixtransportmap doesnt make sense put mynetworks relay_domains make sure understand relay_domains dont list transport table relay_domains think would happen youd add say hotmailcom transport table order resolve say connectivity problem domain smtpd_banner myhostname esmtp mail_name attn uce trespassers pursued default value fine smtpd_recipient_restrictions reject_unauth_pipelining quoting postconf5 note reject_unauth_pipelining useful outside smtpd_data_restrictions 1 client uses esmtp ehlo instead helo 2 smtpd_delay_reject yes default use reject_unauth_pipelining restriction contexts therefore recommended reject_non_fqdn_sender reject_non_fqdn_recipient reject_unverified_recipient dont implement recipient address verification indiscriminantly reject_unknown_sender_domain reject_unverified_sender permit_mynetworks youre even exempting trusted clients senderrecipient address verification check_sender_access hashetcpostfixmyspamlistmap beware ok returned lookup make open relay magnus bäck tvyomcdseklthse wed 06 aug 2008 170833 0100 inability receive messages one address