Re: [Asrg] MTP draft

[list-ietf-antispam@faerber.muc.de (Claus Färber)]

David F. Skoll <dfs@roaringpenguin.com> schrieb/wrote:
> The scanning is done at the end of the DATA phase while the sender is
> waiting for the final acknowledgement.  The recommended timeout here
> according to RFC 2821 is 10 minutes, so adding under a second of
> content-scanning shouldn't be a problem.

The problem is that this phase is the one vulnerable to race conditions:  
If the connection breaks between accepting the message and getting the  
response through to the sender, a dupe will be created. So it's  
desireable to keep that period of time as short as possible.

Claus
-- 
http://www.faerber.muc.de/
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