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From Edward Prendergast <>
Subject Re: CTYPE_NULL false-positive for Content-Type: multipart/related ?
Date Thu, 08 Sep 2011 15:56:56 GMT
On 08/09/11 16:23, John Hardin wrote:
> On Thu, 8 Sep 2011, Edward Prendergast wrote:
>> I'm seeing CTYPE_NULL triggering for certain messages from gmail.
>> If I compare a message that doesn't trigger CTYPE_NULL:
>> Content-Type: multipart/related;
>> With one that does:
>> Content-Type: multipart/related;
> CTYPE_NULL certainly shouldn't fire on either of those. Are they 
> really identical, or is that a cut-and-paste error? Are those complete 
> copies of ALL of the Content-Type headers in the message?
> Would it be possible to post the full FP message to a pastebin? Given 
> what we're looking at, anonymization of email addresses, host names 
> and body content shouldn't affect the analysis, just make sure you 
> don't alter any of the MIME-related headers.

Sorry, that WAS a typo, I meant to show a more standard content-type 
from a message not triggering CTYPE_NULL:

Content-Type: multipart/mixed;

It's quite heavily redacted, but haven't made any changes to the MIME 
header stuff.


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