I'm not actually seeing how this is DHL's fault. DMARC requires either DKIM *or* SPF to pass, if you're misconfigured such that you're breaking SPF that would seem to be your issue more than DHL's. In an ideal world, senders would aim to pass both DKIM and SPF, but if you're intentionally breaking half of DMARC then you should probably switch off DMARC completely.
On Tue, Nov 14, 2017, at 09:08, Joe Klein wrote: > Hey list! > > Does anyone have an email admin contact for dhl.com (or .de given the > RTT I’m seeing from their MTA)> > Having a problem with one of their MTA’s not DKIM signing emails and > these emails are getting rejected by my client’s mailbox provider > because dhl.com’s DMARC is set to REJECT. These emails are going > through my Barracuda spam/malware filter on their way to the mailbox > provider thereby failing SPF too.> > Trying to call DHL’s support number for something like this probably > won’t be all that successful and no response from my email last week > to postmaster.> > Thanks! > > -joe > _________________________________________________ > mailop mailing list > mailop@mailop.org > https://chilli.nosignal.org/cgi-bin/mailman/listinfo/mailop
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