Postfix/Exim sender address rewriting (was: Postfix ... ComCast port 587)

[Thomas Charron]

On Wed, Jan 21, 2009 at 1:06 PM, Ben Scott <dragonhawk at gmail.com> wrote:
>  At least one person is confused here (me); possibly everybody.  :-)

  All covered in http://www.postfix.org/ADDRESS_REWRITING_README.html

>  The scenario here (for me, and I believe the OP) is rewriting email
> addresses, not masquerading as a different host.
>  So, what I want to do is tell my MTA to rewrite <bscott> and some
> variants to <dragonhawk at gmail.com>.  My MTA can keep on using
> <blackfire.local.bscott> for its hostname, but I want it to modify the
> reverse-path.
>  The scenario here (for me, and the OP) is rewriting email addresses,
> not masquerading as a different host.  :)
>  So, {can, how would} this be done in Postfix and/or Exim?

I *think* it would be canonical_maps as was mentioned earlier, but
don't quote me on that, all I did was read a little.  :-D  But your
right, it ISN'T plain to do.

-- 
-- Thomas