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From: | Jamie Burchell |
Subject: | Port 25 check cause of "Unable to open a socket to Sendmail" error? |
Date: | Thu, 11 Apr 2019 09:18:06 +0100 |
Hi  Since configuring a check for Sendmail Iâve started seeing an error from our CodeIgniter PHP application for the first time:  Exit status code: 75 The check is:  check process sendmail with pidfile /var/spool/postfix/pid/master.pid start program = "/bin/systemctl postfix start" stop program = "/bin/systemctl postfix stop" restart program = "/bin/systemctl postfix restart" if failed port 25 protocol smtp then restart if 3 restarts within 5 cycles then unmonitor  Iâm assuming then, that the port is unavailable to other services that need it if Monit is checking it?  TIA Jamie |
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