Resolved Postfix terminating on signal 15

[Will B]

I get this in imunify360 under incidents:

Feb 23 22:31:14 domainnamescrubbed postfix/master[8348]: terminating on signal 15
Sensor: ossec Rule: 3333


I have this in my logs:

Feb 23 19:31:42 domainnamescrubbed postfix/postfix-script[42719]: stopping the Postfix mail system
Feb 23 19:31:42 domainnamescrubbed postfix/master[10169]: terminating on signal 15
Feb 23 19:31:42 domainnamescrubbed postfix/postfix-script[42799]: starting the Postfix mail system
Feb 23 19:31:42 domainnamescrubbed postfix/master[42801]: daemon started -- version 2.10.1, configuration /etc/postfix
Feb 23 19:31:42 domainnamescrubbed postfix/postfix-script[42837]: stopping the Postfix mail system
Feb 23 19:31:42 domainnamescrubbed postfix/master[42801]: terminating on signal 15
Feb 23 19:31:43 domainnamescrubbed postfix/postfix-script[42917]: starting the Postfix mail system
Feb 23 19:31:43 domainnamescrubbed postfix/master[42919]: daemon started -- version 2.10.1, configuration /etc/postfix
Feb 23 19:32:05 domainnamescrubbed postfix/postfix-script[43527]: stopping the Postfix mail system
Feb 23 19:32:05 domainnamescrubbed postfix/master[42919]: terminating on signal 15
Feb 23 19:32:05 domainnamescrubbed postfix/postfix-script[43606]: starting the Postfix mail system
Feb 23 19:32:05 domainnamescrubbed postfix/master[43608]: daemon started -- version 2.10.1, configuration /etc/postfix
Feb 23 19:32:07 domainnamescrubbed postfix/postfix-script[43645]: stopping the Postfix mail system
Feb 23 19:32:07 domainnamescrubbed postfix/master[43608]: terminating on signal 15
Feb 23 19:32:07 domainnamescrubbed postfix/postfix-script[43724]: starting the Postfix mail system
Feb 23 19:32:07 domainnamescrubbed postfix/master[43726]: daemon started -- version 2.10.1, configuration /etc/postfix
Feb 23 20:20:59 domainnamescrubbed postfix/postfix-script[50222]: stopping the Postfix mail system
Feb 23 20:20:59 domainnamescrubbed postfix/master[43726]: terminating on signal 15
Feb 23 20:20:59 domainnamescrubbed postfix/postfix-script[50302]: starting the Postfix mail system
Feb 23 20:20:59 domainnamescrubbed postfix/master[50304]: daemon started -- version 2.10.1, configuration /etc/postfix
Feb 23 20:21:00 domainnamescrubbed postfix/postfix-script[50341]: stopping the Postfix mail system
Feb 23 20:21:00 domainnamescrubbed postfix/master[50304]: terminating on signal 15
Feb 23 20:21:00 domainnamescrubbed postfix/postfix-script[50421]: starting the Postfix mail system
Feb 23 20:21:00 domainnamescrubbed postfix/master[50423]: daemon started -- version 2.10.1, configuration /etc/postfix
Feb 23 20:22:50 domainnamescrubbed postfix/postfix-script[51144]: stopping the Postfix mail system
Feb 23 20:22:50 domainnamescrubbed postfix/master[50423]: terminating on signal 15
Feb 23 20:22:50 domainnamescrubbed postfix/postfix-script[51223]: starting the Postfix mail system
Feb 23 20:22:50 domainnamescrubbed postfix/master[51225]: daemon started -- version 2.10.1, configuration /etc/postfix
Feb 23 20:22:50 domainnamescrubbed postfix/postfix-script[51261]: stopping the Postfix mail system
Feb 23 20:22:50 domainnamescrubbed postfix/master[51225]: terminating on signal 15
Feb 23 20:22:51 domainnamescrubbed postfix/postfix-script[51341]: starting the Postfix mail system
Feb 23 20:22:51 domainnamescrubbed postfix/master[51343]: daemon started -- version 2.10.1, configuration /etc/postfix
Feb 23 20:24:27 domainnamescrubbed postfix/postfix-script[52170]: stopping the Postfix mail system
Feb 23 20:24:27 domainnamescrubbed postfix/master[51343]: terminating on signal 15
Feb 23 20:24:28 domainnamescrubbed postfix/postfix-script[52250]: starting the Postfix mail system
Feb 23 20:24:28 domainnamescrubbed postfix/master[52252]: daemon started -- version 2.10.1, configuration /etc/postfix
Feb 23 20:24:28 domainnamescrubbed postfix/postfix-script[52288]: stopping the Postfix mail system
Feb 23 20:24:28 domainnamescrubbed postfix/master[52252]: terminating on signal 15
Feb 23 20:24:28 domainnamescrubbed postfix/postfix-script[52367]: starting the Postfix mail system
Feb 23 20:24:28 domainnamescrubbed postfix/master[52369]: daemon started -- version 2.10.1, configuration /etc/postfix
Feb 23 20:26:50 domainnamescrubbed postfix/postfix-script[55221]: stopping the Postfix mail system
Feb 23 20:26:50 domainnamescrubbed postfix/master[52369]: terminating on signal 15
Feb 23 20:26:50 domainnamescrubbed postfix/postfix-script[55301]: starting the Postfix mail system
Feb 23 20:26:50 domainnamescrubbed postfix/master[55303]: daemon started -- version 2.10.1, configuration /etc/postfix
Feb 23 20:26:50 domainnamescrubbed postfix/postfix-script[55339]: stopping the Postfix mail system
Feb 23 20:26:50 domainnamescrubbed postfix/master[55303]: terminating on signal 15
Feb 23 20:26:51 domainnamescrubbed postfix/postfix-script[55419]: starting the Postfix mail system
Feb 23 20:26:51 domainnamescrubbed postfix/master[55421]: daemon started -- version 2.10.1, configuration /etc/postfix
Feb 23 21:50:45 domainnamescrubbed postfix/postfix-script[4059]: refreshing the Postfix mail system
Feb 23 21:50:45 domainnamescrubbed postfix/master[55421]: reload -- version 2.10.1, configuration /etc/postfix
Feb 23 21:50:45 domainnamescrubbed dovecot: master: Warning: Killed with signal 15 (by pid=4092 uid=0 code=kill)

Anyone know how to fix this?

 

[IgorG]

Do you have related records about smtp service in Tools & Settings > Action Log ?

 

[Will B]

Nothing about smtp service. It seems to of corrected itself. I am going to give it some time, and see if it pops up again. Thank you for everything.