[PLUG] SMTP monitoring

Paul Johnson baloo at ursine.dyndns.org
Mon Oct 25 22:57:45 UTC 2004


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Colin Kuskie <ckuskie at dalsemi.com> writes:

> When you get a bounce message and it says:
>
> <user at remote_spot.org>... Deferred: Connection refused by server.remote_spot.org.

It means server.remote_spot.org isn't listening for SMTP connections
and your server is going to hang on to the message for up to 4 days,
retrying occasionally until the message goes through or becomes 4 days
old (and times out, in which the sender will get a bounce).
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