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We had an incident where MailScanner mysteriously stopped running
yesterday, and we had to restart it. <br>
<br>
The only thing my admins could find in the logs to give us any clue
as to why it stopped was this entry:<br>
<br>
<font face="Verdana, Arial, Helvetica" size="2">Oct 21 23:07:45
server systemd: Failed to read PID from file
/var/run/MailScanner.pid: Invalid argument<br>
<br>
The file at /var/run/MailScanner.pid merely contains a number:
26969, and nothing else.<br>
<br>
To compound our confusion, that entry came roughly 5 hours after
the restart.<br>
<br>
Does anyone know the purpose of that </font><font face="Verdana,
Arial, Helvetica" size="2">/var/run/MailScanner.pid and why it
might generate such an error?<br>
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