On Mon, Nov 27, 2006 at 03:04:54PM +0000, Tony Finch wrote: > I'm thinking of trying matches against (parts of) binary attachments. The > only way I can think of doing this is using full rules to match fragments > of base64.
A plugin will do it much better. For instance, you'll be able to limit your
search against binary attachments. :)
> Also, I believe that a lot of legitimate messages (from Microsoft MUAs)
> contain NULs, typically at the end of attachments. Therefore my servers
> strip NULs rather than rejecting them. Insert usual rant about the quality
> of standards conformance in legitimage email :-(
At the end of attachments in terms of the raw or encoded version? So far:
1.138 1.3665 0.0016 0.999 0.87 1.00 NULL_IN_BODY
which works for me. I don't think they're common in any meaningful way.
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