On December 5, 2022 4:19:21 PM UTC, Sean Hennessey
<sean.hennes...@mercurygate.com> wrote:
>I'm curios if it's possible to set up postfix to rewrite the envelop from
>address for all email the instance is relaying? I'm doing some research and
>want to force the envelop from to be a known value that I know will pass spf
>checks.
>
>Thanks in advance.
Not just using postfix. With a milter, it's quite possible.
https://github.com/croessner/vrfydmn does not do exactly what you're asking
for, but it's in the ballpark to give an idea of how to approach the problem.
Scott K