It's odd, Gmail forwarding rewrites the envelope sender to be Gmail, so forwarding bounces should go back to Gmail, not you. They could be fetching the mail with pop and then forwarding it. I didn't know they had that feature, but given that we do, it wouldn't surprise me.
Unfortunately, forwarding through O365 (which Hotmail is quickly becoming) can break dkim signatures, so that part isn't uncommon. Last I heard, they were working on that. Brandon On Nov 15, 2016 12:17 PM, "Ken O'Driscoll" <[email protected]> wrote: > Hi Terry, > > At a guess, I suspect that forwarding combined with the DMARC record of > dop.com might be the issue. > > Ken. > > -- > Ken O'Driscoll / We Monitor Email > t: +353 1 254 9400 | w: www.wemonitoremail.com > > On Tue, 2016-11-15 at 11:02 -0800, Terry Barnum wrote: > > If we send email to a specific gmail user we receive a bounce from > > Hotmail saying it can't deliver due to our DMARC policy. Postfix logs > > show the email being delivered and accepted by gmail. Email to other > > gmail users goes through fine. > [...snip...] > > _______________________________________________ > mailop mailing list > [email protected] > https://chilli.nosignal.org/cgi-bin/mailman/listinfo/mailop >
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