Am Wed, 26 Oct 2016 10:39:58 +0000 schrieb Matthias Andree <[email protected]>:
> Am 26. Oktober 2016 12:33:48 MESZ, schrieb Julian Kippels > <[email protected]>: > >Hi, > > > >I was just wondering why my postfix was continuing to try to deliver > >a mail to another server after getting a 554 response the first time. > >Shouldn't the delivery stop right then and there and the sender be > >notified? Instead postfix tried for several days to deliver the > >message before it ultimately failed and notified the sender. > >soft_bounce is set to "no" if that has anything to do with it. > > > >Thanks, > >Julian > > [x] Show logs and postconf -n output Excerpt from logs: Oct 15 23:16:19 balder postfix/smtpd[11356]: 5FDBC8002F90: client=unknown[192.168.25.1] Oct 15 23:16:20 balder postfix/cleanup[10179]: 5FDBC8002F90: message-id=<1828752.6O79ctzo1a@thomas> Oct 15 23:16:20 balder postfix/qmgr[9660]: 5FDBC8002F90: from=<[email protected]>, size=2845180, nrcpt=3 (queue active) Oct 15 23:16:21 balder postfix/smtp[12174]: 5FDBC8002F90: host ppmx1.its.rochester.edu[128.151.57.241] refused to talk to me: 554 ppmx1.its.rochester.edu ESMTP Blocked - see https://support.proofpoint.com/dnsbl-lookup.cgi?ip=134.99.128.242 Oct 15 23:16:22 balder postfix/smtp[12174]: 5FDBC8002F90: host ppmx6.its.rochester.edu[128.151.24.34] refused to talk to me: 554 ppmx6.its.rochester.edu ESMTP Blocked - see https://support.proofpoint.com/dnsbl-lookup.cgi?ip=134.99.128.242 Oct 15 23:16:22 balder postfix/smtp[12174]: 5FDBC8002F90: host ppmx5.its.rochester.edu[128.151.24.33] refused to talk to me: 554 ppmx5.its.rochester.edu ESMTP Blocked - see https://support.proofpoint.com/dnsbl-lookup.cgi?ip=134.99.128.242 Oct 15 23:16:22 balder postfix/smtp[12174]: 5FDBC8002F90: host ppmx2.its.rochester.edu[128.151.57.242] refused to talk to me: 554 ppmx2.its.rochester.edu ESMTP Blocked - see https://support.proofpoint.com/dnsbl-lookup.cgi?ip=134.99.128.242 Oct 15 23:16:23 balder postfix/smtp[12174]: 5FDBC8002F90: to=<[email protected]>, relay=ppmx7.its.rochester.edu[128.151.24.35]:25, delay=3.8, delays=1/0/2.8/0, dsn=4.0.0, status=deferred (host ppmx7.its.rochester.edu[128.151.24.35] refused to talk to me: 554 ppmx7.its.rochester.edu ESMTP Blocked - see https://support.proofpoint.com/dnsbl-lookup.cgi?ip=134.99.128.242) Oct 15 23:16:31 balder postfix/smtp[12173]: 5FDBC8002F90: host pony-express.cs.rit.edu[129.21.30.24] said: 451 Temporary failure, please try again later. (in reply to RCPT TO command) Oct 15 23:16:42 balder postfix/smtp[12173]: 5FDBC8002F90: to=<[email protected]>, relay=pony-express.cs.rit.edu[129.21.30.24]:25, delay=23, delays=1/0/22/0.21, dsn=4.0.0, status=deferred (host pony-express.cs.rit.edu[129.21.30.24] said: 451 Temporary failure, please try again later. (in reply to RCPT TO command)) Oct 15 23:22:14 balder postfix/qmgr[9660]: 5FDBC8002F90: from=<[email protected]>, size=2845180, nrcpt=3 (queue active) Oct 15 23:22:14 balder postfix/smtp[13566]: 5FDBC8002F90: host ppmx3.its.rochester.edu[128.151.57.243] refused to talk to me: 554 ppmx3.its.rochester.edu ESMTP Blocked - see https://support.proofpoint.com/dnsbl-lookup.cgi?ip=134.99.128.242 Oct 15 23:22:14 balder postfix/smtp[13566]: 5FDBC8002F90: host ppmx7.its.rochester.edu[128.151.24.35] refused to talk to me: 554 ppmx7.its.rochester.edu ESMTP Blocked - see https://support.proofpoint.com/dnsbl-lookup.cgi?ip=134.99.128.242 Oct 15 23:22:15 balder postfix/smtp[13566]: 5FDBC8002F90: host ppmx2.its.rochester.edu[128.151.57.242] refused to talk to me: 554 ppmx2.its.rochester.edu ESMTP Blocked - see https://support.proofpoint.com/dnsbl-lookup.cgi?ip=134.99.128.242 Oct 15 23:22:15 balder postfix/smtp[13566]: 5FDBC8002F90: host ppmx5.its.rochester.edu[128.151.24.33] refused to talk to me: 554 ppmx5.its.rochester.edu ESMTP Blocked - see https://support.proofpoint.com/dnsbl-lookup.cgi?ip=134.99.128.242 Oct 15 23:22:15 balder postfix/smtp[13566]: 5FDBC8002F90: to=<[email protected]>, relay=ppmx8.its.rochester.edu[128.151.24.28]:25, delay=356, delays=355/0.06/1.5/0, dsn=4.0.0, status=deferred (host ppmx8.its.rochester.edu[128.151.24.28] refused to talk to me: 554 ppmx8.its.rochester.edu ESMTP Blocked - see https://support.proofpoint.com/dnsbl-lookup.cgi?ip=134.99.128.242) Oct 15 23:22:25 balder postfix/smtp[13564]: 5FDBC8002F90: host pony-express.cs.rit.edu[129.21.30.24] said: 451 Temporary failure, please try again later. (in reply to RCPT TO command) Oct 15 23:22:35 balder postfix/smtp[13564]: 5FDBC8002F90: to=<[email protected]>, relay=pony-express.cs.rit.edu[129.21.30.24]:25, delay=376, delays=355/0.05/21/0.21, dsn=4.0.0, status=deferred (host pony-express.cs.rit.edu[129.21.30.24] said: 451 Temporary failure, please try again later. (in reply to RCPT TO command)) ... postconf -n alias_database = hash:/etc/aliases alias_maps = hash:/etc/aliases broadcaster_only = check_policy_service inet:localhost:2000 broken_sasl_auth_clients = yes command_directory = /usr/sbin config_directory = /etc/postfix daemon_directory = /usr/libexec/postfix data_directory = /var/lib/postfix debug_peer_level = 2 debugger_command = PATH=/bin:/usr/bin:/usr/local/bin:/usr/X11R6/bin ddd $daemon_directory/$process_name $process_id & sleep 5 html_directory = no inet_interfaces = all inet_protocols = all local_recipient_maps = $virtual_mailbox_maps mail_owner = postfix mailbox_size_limit = 14336000000 mailq_path = /usr/bin/mailq.postfix manpage_directory = /usr/share/man message_size_limit = 143360000 mydestination = $myhostname, localhost.$mydomain, localhost mynetworks = 127.0.0.0/8 cidr:/etc/postfix/mynetworks-25.cidr mynetworks_style = host newaliases_path = /usr/bin/newaliases.postfix propagate_unmatched_extensions = queue_directory = /var/spool/postfix readme_directory = /usr/share/doc/postfix-2.10.1/README_FILES recipient_delimiter = + relay_domains = relay_recipient_maps = hash:/etc/postfix/relay_recipients sample_directory = /usr/share/doc/postfix-2.10.1/samples sendmail_path = /usr/sbin/sendmail.postfix setgid_group = postdrop smtp_tls_cert_file = /etc/postfix/cert/balder-cert.pem smtp_tls_key_file = /etc/postfix/cert/balder-key.pem smtp_tls_security_level = may smtpd_policy_service_timeout = 200s smtpd_recipient_restrictions = check_recipient_access ldap:/etc/postfix/recipient_access.cf permit_mynetworks permit_sasl_authenticated reject_unauth_destination smtpd_restriction_classes = broadcaster_only smtpd_sasl_auth_enable = yes smtpd_sasl_path = inet:192.168.25.210:12345 smtpd_sasl_type = dovecot smtpd_tls_cert_file = /etc/postfix/cert/balder-cert.pem smtpd_tls_key_file = /etc/postfix/cert/balder-key.pem smtpd_tls_security_level = may spamwatch_policy = check_policy_service inet:localhost:2001 transport_maps = ldap:/etc/postfix/transport_maps.cf unknown_local_recipient_reject_code = 550 virtual_alias_expansion_limit = 50000 virtual_alias_maps = ldap:/etc/postfix/virtual_alias_maps.cf virtual_mailbox_domains = hash:/etc/postfix/virtual_mailbox_domains virtual_mailbox_maps = $virtual_alias_maps One interesting thing I noticed while looking up the log excerpt: The original mail was sent to two recipients. One server sent a 554, the other sent a 451. Did the 451 from rit.edu trigger the retries for rochester.edu which sent the 554? Julian
