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> a few days ago we migrated our old Amavis Servers to new ones. I was
> monitoring the logs if everything works fine.
> The new servers are almost the same, just a new operating system (old:
> SLES10SP2(physical machine) new:SLES11SP1(virtual machine)) with new
> packages (old: amavisd-new-2.3.3-17.2 new: amavisd-new-2.6.4-28.1).
> amavisd.conf was simply copied to the new server.
> Everything went fine but I found this "error" in the logs which weren't
> there at the old one.
> May 27 12:55:21 Servername amavis: (15793-19) smtp session rundown
> stale sessions, idle 271.3 s, smtp:[IPADDRESS]:10025, state ehlo.
> Port 10025 is the port we're sending back scanned mails to postfix.
> Idle times for a stale session are also quite random ranging from ~20s to
Not an error, just an informative message at log level 2 (syslog: LOG_INFO).
amavisd-new-2.6.0 release notes
- smtp client connection caching is a new feature which allows smtp client
code in amavisd to keep a SMTP session to MTA open after forwarding a
message or a notification, so that a next mail message that needs to be
sent by this child process can avoid re-establishing a session and the
initial greeting/EHLO (and TLS) handshake.
A current value of a global settings $smtp_connection_cache_enable
controls whether a session will be retained after forwarding a message
or not. Its default initial value is true.