On Mon, Jan 02, 2023 at 08:32:42PM +0000, "Cooper, Robert A" <racoo...@tamu.edu> wrote:
> I have a request from my downstream Exchange admins to look into > implementing ARC sealing in some postfix relay servers we use for > address rewriting. From the bit of research I've done, it looks like > this would require being implemented in an external milter. I had not > even heard of ARC before today; it looks like it's an experimental RFC > from 2019 that Microsoft and Google have implemented in their systems. > Does anyone have experience with ARC or how to set it up with postfix? > > Thanks > RobertC You could look into OpenARC (https://github.com/trusteddomainproject/OpenARC). I was under the impression that it wasn't finished, but I think that's wrong. I've heard of people using it. It's written by the same group that wrote OpenDKIM. cheers, raf
