Every now & then I see this in the main log (edited to remove queue runs
and other connections that happen at the same time):
2017-03-10 21:15:28 SMTP connection from [12.34.56.78]:58811 (TCP/IP connection count = 2)
2017-03-10 21:15:28 acl_check_mail: mail from hol-info-bounces@???
2017-03-10 21:18:42 TLS error on connection from disorder.example.com (acedia.example.com) [12.34.56.78]:58811 (recv): The TLS connection was non-properly terminated.
2017-03-10 21:18:42 1cmZNI-0001B4-9i TLS error on connection from disorder.example.com (acedia.example.com) [12.34.56.78]:58811 (recv): The specified session has been invalidated for some reason.
2017-03-10 21:18:42 SMTP connection from disorder.example.com (acedia.example.com) [12.34.56.78]:58811 lost while reading message data
2017-03-10 21:18:42 TLS error on connection from disorder.example.com (acedia.example.com) [12.34.56.78]:58811 (send): The specified session has been invalidated for some reason.
If it was just sporadic I would write it off as the effect of cosmic
rays. But the thing is, once it starts happening it keeps hammering me
again and again, every 5 minutes or so, for a week maybe. I am 100%
sure it is the _same_ message stuck in the upstream queue and upstream
desperately trying to force it through. Meanwhile other connections
work normally, many from the same host - so it must be something
specific to the message.
I am losing my mind over this :-( The phrase "for some reason" doesn't
soothe as it was perhaps intended to do ...
I saw it first with 4.84, upgraded to 4.88, no change.
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