[Dovecot] Dovecot as a smart IMAP proxy

Chris Wakelin c.d.wakelin at reading.ac.uk
Thu Feb 23 18:45:01 EET 2006


Marcus Rueckert wrote:
> 
> err at least the virus scanning stuff should be handled in the MTA.
> In general i dont like any proxies that modify content for me. there are
> too many ways to get things wrong.
> 

I agree, mostly, but there is the interesting case where a new worm or
spammed trojan gets past the MTA virus-scanner because detection hasn't
yet been added. In this case, it might be useful to scan the message
when it's being read, which may be sufficiently later for virus-scanners
to have caught up (though of course, your desktop AV should also do the
job if it's updated frequently enough). The same probably also applies
to spam-filtering when relying on things like DNS block-lists.

Chris

-- 
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Christopher Wakelin,                           c.d.wakelin at reading.ac.uk
IT Services Centre, The University of Reading,  Tel: +44 (0)118 378 8439
Whiteknights, Reading, RG6 2AF, UK              Fax: +44 (0)118 975 3094


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