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List:       spamassassin-users
Subject:    Re: Does SpamAssassin perform tests/scans on attachments?
From:       Ted Mittelstaedt <tedm () ipinc ! net>
Date:       2010-07-22 9:02:30
Message-ID: 4C480926.4060207 () ipinc ! net
[Download RAW message or body]



On 7/21/2010 10:03 AM, Adam Moffett wrote:
> On 7/21/2010 12:45 PM, Karsten Bräckelmann wrote:
>> On Wed, 2010-07-21 at 12:25 -0400, Adam Moffett wrote:
>>> I've seen people post in the past that SA will demime text attachments,
>>> and now someone says it won't.
>> Ted was answering a question about binary attachments, not text.
>>
>>> What's the real story?
>> It depends. On the rule definition, as explained in the M::SA::Conf
>> docs.
>>
>> 'body' rules are applied against the textual parts [1], decoded from
>> Quoted Printable or Base 64 if necessary, rendered and normalized.
>>
>> 'rawbody' is like the above, but without rendering and normalization.
>> That means, HTML tags and whitespace is preserved as-is.
>>
>> 'full' rules are applied against the raw, pristine, verbatim original
>> message, as fed to SA.
>>
>>
>> [1] Textual parts depends on the MIME type, not content.
>>
> So the answer is all of the above :) Thanks.

Unfortunately, some mail clients seem to think that it's an "advance"
to take perfectly normal ASCII text and encode it into some gibberish
rubbish and then send the rubbish as perfectly normal ASCII text.
Thank you Steve Jobs.

Good catch from Karsten, I had forgotten that not just binaries
can be encoded into text.  Text can be encoded into text. (eyeroll)

Ted
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