I have 3 or 4 email addresses (which get used for different
reasons), and I'd prefer not to mix them up. So I was wondering
if anyone knows of a way that I can have mail (apart from list
mail, which I have already sorted) which arrives to a certain
e-mail address have the From: header in the reply automatically
For example, say I have a company, and sales@company.com,
info@company.com and tech@company.com arrive in the same mailbox.
I don't want to reply to sales@company.com mails with the From:
set to dave@company.com, I would like the mail to come from
Is there any way to do this? Bearing in mind that mail can arrive
with my email in the To or Cc fields (and Bcc?), and it might be
buried in a couple of dozen other recipients...

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Daniel Berlinger has noticed that Mac software shops are starting
    to move t
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