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Munge obfuscated name/email in Return-Path: ?


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Over the past week or so, I've gotten (and reported) a fair number of spams that (I just recently realized) contain my e-mail address in a Return-Path header line. For example, if my e-mail was "my-name[at]sbcglobal.net", the header line would be

Return-Path: <orders-my+2Dname=sbcglobal.net[at]454-errordomain.com>

I noticed today that the header line is being sent unmunged to the reporting addresses for the web sites in the spam.

For what it's worth, all of these spams have used websites that end up being reported to colocateusa.com.

I know it may be a lot to ask, but would it be possible to detect and munge e-mails and names in "Return-Path"?

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