On Wed, Mar 4, 2015 at 3:09 AM, Chris Siebenmann <[email protected]> wrote: > > If you cannot assume any backend MUA cooperation or setup, I > believe that your only completely reliable choice is to rewrite the > origin address of incoming email in the MTA (in both the envelope > and in the From:/Reply-To:/etc headers). The simplest approach > would be to just make up random local destination addresses (say > 'outside-<random>@<yourdomain>') and maintain a database of what each > 'outside-<random>' requires as the local From: and the destination To: > address(es). You probably want these to be long-term database entries > given MUA address books and so on. > > (This gets all sorts of challenging in the face of multiple recipients, > especially if you want them to be able to cc: each other on replies. Life > is simpler if you can assume that this doesn't happen.) >
It also breaks because Outlook and Exchange. :( -- Jan -- ## List details at https://lists.exim.org/mailman/listinfo/exim-users ## Exim details at http://www.exim.org/ ## Please use the Wiki with this list - http://wiki.exim.org/
