[kwlug-disc] Email server (lets bring this up again!)

[Colin Mackay]

So once more into the (mail) fold, but with a little bit of a twist.

I've had a mail server sitting out there, barely used, for quite some
time.  I've set up DKIM, SPF and spamassasin.  I'm not too worried about
spam, this is mostly a server I play with, to see if I can learn something
new.

 At a recent home and garden show, one of the vendors mentioned that
someone with their own domain, used the vendor's business name as part of
the email.  So a company named 'Ron Howard Construction' would be given the
email 'ronhoward at mydomain.com'.

I assumed this would just be a catch-all, which works... but with one
caveat; you can't easily respond with 'ronhoward'.  Instead, your catch-all
address is returned, which kind of defeats the purpose.

I would like to set this up, mostly just because it's there, and I want
to...  I may never use it...

So I'm wondering if any of you lot out there have heard of something like
this?
A paid service, perhaps?
A way to trick postfix/dovecot (or perhaps Roundcube) into behaving in this
manner?

Thanks!
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