> On Apr 4, 2017, at 5:26 PM, John Stoffel <j...@stoffel.org> wrote:
>
> But I only want this replamcent to happen for email that comes from a
> specific set of outside servers. I think I might have to run my own
> milter here to do this. I really can't depend on the headers not
> being forged somehow, but I can depend on the host which connects to
> me being who it says.
>
> To a degree.
>
> Am I making sense?
Yes. Another option is to build a custom version of Postfix in which
the Delivered-To: header is renamed. Perhaps this should be configurable,
and maybe even forgery-protected, but an obscure alternative header would
suffice, if you're willing to run Postfix binaries built on site.
--
Viktor.
