With regard to incoming mail filter sources, I have noted on this page:

http://tmda.net/filter-sources.html

the following text:

The to-* sources examine the envelope recipient address but not the To header field, which is often bogus in spam email.

Can someone either negate or affirm my deduction that the above TMDA rule, whereby the To header field is ignored and instead the envelope is examined to determined the real "to", also applies to incoming-only TMDA filters that explicitly use the "headers" source when the "To" header is included in the regular expression? For example, I have a simple incoming filter that looks this line:


headers "To:[EMAIL PROTECTED]" deliver=~/LeBox

What I have noticed is that if the address [EMAIL PROTECTED] is Bcc'ed, but the To: header is some other address, the above line in my incoming filter disposes the message to ~/LeBox. The only way this can happen, the way I see it, is that TMDA is "smart" to realize that the To: field should never be parsed (even if its specified inside a regular expression), and instead the envelope is analyzed for the recipient's address. This is a really great feature of TMDA's, but, I am allowing for the possibility that maybe I've done something wrong. It might seem like a moot point, but it might be a good idea to update this in the TMDA incoming filter documentation. Thanks for confirming or negating my deduction.

-DeCoudras

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