Here is my postconf -n output: alias_database = hash:/etc/aliases alias_maps = hash:/etc/aliases command_directory = /usr/sbin config_directory = /etc/postfix connection_cache_ttl_limit = 300s daemon_directory = /usr/libexec/postfix data_directory = /var/lib/postfix default_destination_concurrency_limit = 2000 default_destination_recipient_limit = 1 default_process_limit = 100 default_recipient_refill_delay = 1s home_mailbox = Maildir/ html_directory = no in_flow_delay = 0 inet_interfaces = loopback-only inet_protocols = ipv4 initial_destination_concurrency = 500 mail_owner = postfix mailq_path = /usr/bin/mailq.postfix manpage_directory = /usr/share/man maximal_queue_lifetime = 0 milter_default_action = accept milter_protocol = 2 mydestination = mydomain = whatsthe.org myhostname = server.whatsthe.org mynetworks = 168.100.189.0/28, 127.0.0.0/8 myorigin = $mydomain newaliases_path = /usr/bin/newaliases.postfix non_smtpd_milters = $smtpd_milters qmgr_message_active_limit = 10000 qmgr_message_recipient_limit = 10000 qmgr_message_recipient_minimum = 10 queue_directory = /mnt/tmfsexim queue_run_delay = 30000s readme_directory = /usr/share/doc/postfix-2.6.6/README_FILES sample_directory = /usr/share/doc/postfix-2.6.6/samples sendmail_path = /usr/sbin/sendmail.postfix service_throttle_time = 10s setgid_group = postdrop smtp_connection_cache_time_limit = 300s smtp_connection_reuse_time_limit = 300s smtp_destination_concurrency_limit = 2000 smtp_destination_rate_delay = 0s smtp_destination_recipient_limit = 1 smtpd_discard_ehlo_keywords = silent-discard, dsn smtpd_milters = inet:127.0.0.1:8891 unknown_local_recipient_reject_code = 550
Thank you On Sat, Oct 12, 2013 at 11:56 AM, boson code <boc...@gmail.com> wrote: > Hello All, > > My system is fairly high-end. 15TB bandwidth, 8 core cpu and 16G RAM, > centos 64bit, postfix 2.6.6. I've been running postfix successfully for > almost 6 months now but recently i've noticed that the mails are spending > lot of time outside queue. There has been no change in hardware or software > since i started using postfix. I use PHP mailer which submits mail using > the mail function. Here is a snapshot of my maillog (delay is not constant > and most of the times it goes all the way upto 200/300s): > ================ > *Oct 12 08:57:50 server postfix/qmgr[28919]: 0BF8920C178: removed* > *Oct 12 08:57:50 server postfix/qmgr[28919]: 42CCB20C1BA: from=<mailid>, > size=1612, nrcpt=1 (queue active)* > *Oct 12 08:57:50 server postfix/pickup[28918]: 4D9E720C1C8: uid=500 > from=<A>* > *Oct 12 08:57:50 server postfix/cleanup[11514]: 4D9E720C1C8: > message-id=<@localhost.localdomain>* > *Oct 12 08:57:50 server opendkim[1638]: 4D9E720C1C8: DKIM-Signature field > added (s=default, d=AB)* > *Oct 12 08:57:50 server postfix/smtp[10938]: 1700620C185: to=<mailid>, > relay=HST:IP:25, delay=103, delays=103/0/0.13/0.07, ds\* > *n=2.0.0, status=sent (250 Ok)* > *Oct 12 08:57:50 server postfix/qmgr[28919]: 1700620C185: removed* > *Oct 12 08:57:50 server postfix/qmgr[28919]: 4D9E720C1C8: from=<B>, > size=1612, nrcpt=1 (queue active)* > *Oct 12 08:57:50 server postfix/pickup[28918]: 5866520C1D4: uid=500 > from=<C>* > *Oct 12 08:57:50 server postfix/cleanup[11536]: 5866520C1D4: > message-id=<@localhost.localdomain>* > *Oct 12 08:57:50 server opendkim[1638]: 5866520C1D4: DKIM-Signature field > added (s=default, d=X)* > *Oct 12 08:57:50 server postfix/smtp[10928]: 21B3420C190: to=<D>, > relay=host:ip:25, delay=103, delays=103/0/0.13/0.07, ds\* > *n=2.0.0, status=sent (250 Ok)* > *Oct 12 08:57:50 server postfix/qmgr[28919]: 21B3420C190: removed* > *Oct 12 08:57:50 server postfix/qmgr[28919]: 5866520C1D4: from=<G>, > size=1612, nrcpt=1 (queue active)* > *Oct 12 08:57:50 server postfix/pickup[28918]: 6326920C1E0: uid=500 > from=<F>* > *Oct 12 08:57:50 server postfix/cleanup[11514]: 6326920C1E0: > message-id=<@localhost.localdomain>* > *Oct 12 08:57:50 server opendkim[1638]: 6326920C1E0: DKIM-Signature field > added (s=default, d=X)* > *Oct 12 08:57:50 server postfix/smtp[10934]: 2CB4720C19C: to=<H>, > relay=HOST:IP:25, delay=103, delays=103/0/0.13/0.07, ds\* > *n=2.0.0, status=sent (250 Ok)* > ============================ > > Please help in solving this issue. I can post my postconf output too if > that is needed. My Postfix installation is a "send-only" btw. > > Thank you > Bo >