From: Adam Bernstein (adamelectricembers.net)
Date: Thu Mar 16 2006 - 10:11:47 CST

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> What does "catch" mean? Messages that are forwarded to remote destinations
> by local(8) (alias or .forward expansion) are (currently) submitted
> back into the queue via the cleanup(8) service. The local(8) delivery
> agent logs the queue id of the resulting queue file, and adds a suitable
> Delivered-To: header. The internally forwarded message is not subject
> to header/body checks.

"Catch" means filter -- I need to non-deliver some messages that have
been forwarded to remote destinations, but I can't see anything
(including the Delivered-To: header, which retains the local address and
not the ultimate forwarded-to address) that indicates where they're
going when these messages come back into the queue. Even if I have to
write my own content filter instead of using the built-in header checks,
I can't see what I would filter on; the only place the remote
destination occurs in the requeued file is in the sort of preamble of
meta-information, not in any header. Is there something I'm missing?

      ab

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