I've been running dmarc for several years, but for some reason I am having an issue sending emails to a PR firm that uses streamsend/campaigner.com for its mailing list. Every time I try to email one of their employees, I get a dmarc mismatch audit message saying that "A message claiming to be from you has failed the published DMARC policy for your domain."
Sender Domain: [redacted].com Sender IP Address: 216.24.225.10 Received Date: Thu, 22 Apr 2021 12:29:44 -0400 SPF Alignment: no DKIM Alignment: no DMARC Results: None, Accept I'm not sure why an email sent directly from my server is saying that 216.24.225.10 is my ip. That's a streamsend server and I'm not sure how they have injected themselves into the email equation and changed my message body causing dmarc to fail. Advice appreciated. Thank you.
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