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Re: Filter Oddity

2010-04-12 13:28:53
At 12:09 2010-04-12 -0400, Charles Gregory wrote:
On an ENVELOPE SENDER line (From ) ? I know it happens all the time with other header fields, such as From:, To:, and Subject:, but I can't say that I've ever noted an instance of it with the From_

There is no guarantee that the sender's envelope is actually the same as the "From:" header. And there isn't even any guarantee that the envelope sender is a 'From' line. On my postfix it is 'Return-Path'....

As the OP is using the From_, not From: and getting results, it is clear their MTA is producing a From_ when passing the messages to the LDA.

I'm not debating that your observation of QP is correct - it's just that I haven't seen it myself. Perhaps it ocurrs when the OP retrieves the messages from his upline provider with fetchmail. There may even be a fetchmail setting that regulates it (I don't use fetchmail myself, so can't say).

 Sean B. Straw / Professional Software Engineering

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