Set From: address with hook match on To: address?

[dave@xxxxxxxxxxxxxxx]

Is it possible to apply some sort of regexp on the To: address to work
out what to put for From:?

At the moment I use folder hooks but it would be useful to do it based
on To:

Cheers
David
--
"I wish there was a knob on the TV to turn up the intelligence.
There's a knob called `brightness', but it doesn't work."
                -- Gallagher

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