42.zip handled differently

[Carsten Wolff via amavis-users]

Hi!

On Friday 30 August 2013 15:24:15 Ralf Hildebrandt via amavis-users wrote:
[snip]
> But if I create an email from it using mpack ( using:
> mpack -s 42.zip -o 42.zip.txt 42.zip )
[snip]
> amavis[17731]: (17731-08) p002 1/2 Content-Type: text/plain, size: 57784 B,
> name: 01_sample-42-mail-bomb.txt Aug 30 15:07:23 mail2 amavis[17731]:

The MIME-Encoding is wrong, here. The header says text/plain, so amavis does 
not try to unpack and just feeds the part to ClamAV. So no chance here to 
detect the mailbomb during parts decoding.

Cheers
Carsten
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