From: Pedro David Marco <pedrod_ma...@yahoo.com>
Reply-To: Pedro David Marco <pedrod_ma...@yahoo.com>
Date: Wednesday, 16 August 2017 at 22:32
To: David Niklas <do...@mail.com>, "users@spamassassin.apache.org" 
<users@spamassassin.apache.org>
Subject: Re: Attachments with no Content-Type mime header

Hi David...

I agree with you... but some functions like find_parts() do not work if there 
are not Content-Type Headers... making impossible the analysis of some 
attachments...

i am writing a plugin to detect suspicious PDFs...

Maybe there's a better way to analyze attachments that using find_parts()....

Thanks!

------
PedroD


The magic number or file signature can be helpful in determining the filetype:

https://en.wikipedia.org/wiki/List_of_file_signatures

I make use of this in the OLEMacro plugin: 
https://github.com/fmbla/spamassassin-olemacro/

--
Paul Stead
Systems Engineer
Zen Internet

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