North American Network Operators Group
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Re: Recording the return path (was Re: Clueless anti-virus products/vendors)
- From: Per Heldal
- Date: Mon Dec 12 07:46:27 2005
On Mon, 12 Dec 2005 11:08:14 +0000, Michael.Dillon@btradianz.com said:
[snip]
>
> Not quite the only way. If a postprocessing step is needed,
> it is trivial for the SMTP server to record any return path info
> that it knows in order for the post-processor to be able to
> send DSN's as accurately as the SMTP server itself.
>
> What we have here is yet another failure of imagination.
>
Has anybody claimed that post-processing within the SMTP-server is
better than postprocessing done elsewhere? The issue was
in-line-processing vs post-processing.
No information you can collect from the SMTP-session or elsewhere can
ever compete with the accuracy in notification gained if you reject the
message in-line and leave the responsibility for sender-notification
with the sending MTA.
//per
--
Per Heldal
heldal@eml.cc
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