Hello,
I found this warning in one of our server logs. But I've no idea, why
this is logged.
I've a transport_map (simplified)
# postfonf -f transport_maps
transport_maps = inline:{ discard_bcc=discard:,
internal_subdomain.example.org=submissions1:internal_mx:465,
{ [email protected]=submissions2:[special_server.internal]:465 },
... some other transports using smtp
# postconf -Mf smtp
smtp unix - - - - - smtp
# postconf -Mf submissions1
submissions1 unix - - - - - smtp
-o smtp_tls_security_level=encrypt
-o smtp_tls_wrappermode=yes
-o syslog_name=postfix/${service_name}
# postconf -Mf submissions2
submissions2 unix - - - - - smtp
-o smtp_tls_security_level=encrypt
-o smtp_tls_wrappermode=yes
-o syslog_name=postfix/${service_name}
# postconf mail_version
mail_version = 3.10.5
The warnings happen only for `submissions1`, a high volume channel
some log volume statistics:
I see ~250 warnungs per hour from ~50 different smtp process_ids.
Every smtp process log that warnung between 3 an 10 times. In the same
time I've 80k logs "Trusted TLS connection established/reused to
internal_mx:465" and ~100k logs "status=sent"
To me, it looks like a race condition, that happen very rarly.
Should I provide more information?
Andreas
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