Benny Pedersen: > Sean Hennessey skrev den 2022-11-28 21:57: > > > I'd really like a way to send X% of gmail.com traffic to one relay and > > the rest to another relay. Ditto for a couple of other major ESP's > > like Yahoo, MS, etc? > > why not https://www.dnswl.org ?, its imho not hard to be there, and > remember spf_helo_pass, not neaseserly just spf_pass, so atleast make > sure myorigin have spf helo pass, then dkim, maybe dmarc, and if > possible arc-seal, arc-sign for forwarded mails not origin sent via your > mx > > thats it in one line imho
That may be adequate for a low-volume sender, but not for a high-volume one. Wietse