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I have the following DNS entry for one of my clients email servers:

_dmarc IN TXT "v=DMARC1; p=none; rua=mailto:postmaster@example.com"

This is the only email server I'm administering, which has a DMARC DNS entry - in other cases SPF and DKIM was always sufficient for the email server to work fine.

The annoying thing is that I receive multiple DMARC reports from Gmail, Yahoo, etc. ervery day and I don't need them. How can I stop receiving those DMARC reports?

Should I just remove the rua part of the DNS entry?

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Sure. Just remove it. "rua" is optional as per RFC.

https://tools.ietf.org/html/rfc7489

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  • Could you be please so kind and show me the part where it is exactly? I can't find the part which says, that "rua" is optional. Thank you in advance! – manifestor Oct 20 '19 at 10:17
  • Page 19. rua: Addresses to which aggregate feedback is to be sent (comma-separated plain-text list of DMARC URIs; OPTIONAL) – Vadim Oct 20 '19 at 21:54
  • @chevallier That helped? – Vadim Oct 22 '19 at 10:30
  • Yes, thank you! – manifestor Oct 24 '19 at 9:36
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yes you should remove the rua=mailto:postmaster@example.com it's optional

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