A Stalwart 'milter' for Postfix?

[mejofi]

We have existing SMTP infrastructure built on Postfix, and it would be great if we could plug Stalwart into it as a milter-type application for things like SPF, DKIM, DMARC, ARC, and the extensive Sieve options. Without having to rebuild the entire infrastructure, that is. Would this be possible?

DKIM/DMARC/ARC is one of the areas that's limited in coverage, with the OpenDKIM project essentially dead, ARC implementations few and far between, etc., would be great to have a solid alternative that's modern, and well-supported.

[mdecimus]

Thanks for the suggestion but it does not align with the project's goal. If you need a Milter server with SPF, DKIM, DMARC and ARC you can check rspamd.

If I may ask, is replacing Postfix with Stalwart in your organization an option? I am not aware of any features present in Postfix that are not available in Stalwart.