Hi there, You'd have to get the email partner to use a "custom return-path" (eg: bounces.example.com). That way you achieve SPF alignment. For DKIM alignment, the key has to be signed with your domain, not theirs.
Postmark has a great article on it here: https://postmarkapp.com/blog/how-dmarc-and-a-custom-return-path-work-together Hope this helps! *Faisal Misle* Customer Success Engineer | Red Sift On Mon, Sep 21, 2020 at 11:15 PM Blason R via dmarc-discuss < dmarc-discuss@dmarc.org> wrote: > Hi Team, > > I have domain example.com and have proper spf, dkim set for the mail's > going out. However my other email partner will soon sending mails on behalf > of example.com assuming emailpartner.com they even have SPF and dkim > facility available. > > Can someone pls guide me or documents to achieve dmarc alignment in this > case when the mail's go out from emailpartner.com > _______________________________________________ > dmarc-discuss mailing list > dmarc-discuss@dmarc.org > http://www.dmarc.org/mailman/listinfo/dmarc-discuss > > NOTE: Participating in this list means you agree to the DMARC Note Well > terms (http://www.dmarc.org/note_well.html) -- Red Sift is the power behind OnDMARC and OnINBOX. You can find us at 21A Noel Street, 4th Floor, London, W1F 8GR. Red Sift is a limited company registered in England and Wales. Registered number: 09240956. Registered office: Kemp House, 152 City Road, London, EC1V 2NX.
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