Re: [Asrg] E-mail Postmarks]

[Fridrik Skulason <frisk at f-prot.com>]

> Do you have any figures for what proportion of messages have their bodies
> mutilated passing through SMTP relays? Or is *some*, however few, too many
> for you?

One data point.  We do mail filtering for viruses and occasionally we
receive samples which are almost, but not-quite viruses - that is, the
attachment has been corrupted somehow, so the virus no longer replicates.

Visual examination of the mime attachment typically indicates either 
deletion of a block of data or truncation.

On the average the corruption rate we are seeing is around 1 in 10000.

--
Fridrik Skulason   Frisk Software International   phone: +354-540-7400
Author of F-PROT   E-mail: frisk at f-prot.com       fax:   +354-540-7401

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