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Questions tagged [dmarc]

DMARC, (Domain-based Message Authentication, Reporting & Conformance), is a technical specification standardizing how email receivers perform email authentication using the well-known SPF and DKIM mechanisms.

DMARC, (Domain-based Message Authentication, Reporting & Conformance), is a technical specification standardizing how email receivers perform email authentication using the well-known SPF and DKIM mechanisms.

http://www.dmarc.org/

152 questions
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Why do I receive a DMARC report everyday?

I've setup DMARC policy on my domain. But every day I recieve an XML report from Google. I don't understand what the problem is? The report is: …
IvanS
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Is DMARC the end of email forwarding?

I'm using a fair bit of email forwarding on a number of domains and the latest p=reject policy of AOL is causing me some problems and also a lot of confusion. My understanding of DMARC is that it's based on DKIM & SPF with a reporting layer. I…
user2988743
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DNS record not found after testing

I am checking my website on mxtoolbox.com and getting some DNS errors. Two of those errors say "DNS Record not found". One has dmarc as category and the other is category spf. My questions: Does this hurt my website? How do i go about fixing…
Sjoerd89
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How can I modify the return-path in a google workspace account that has the capability to send as another workspace account?

I haven't been able to find an answer to this, so forgive me if it's been asked somewhere before. I'm working with non-profit who has a google workspace for non profits account. I'm working on getting our SPF/DKIM/DMARC records set up, and they…
Brian Cook
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This message does not have authentication information or fails to 550-5.7.26 pass authentication checks

I have problem with google and I can't send email to any gmail or Gsuite emails got report from mail server log Feb 17 12:16:30 server postfix/smtp[19451]: 853E35E55A: to=, relay=aspmx.l.google.com[209.85.144.27]:25, delay=0.38,…
ezak
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How do I setup SPF to Pass for Mailchimp, SES and EC2 so that DMARC doesn't partially failing due to misalignment

One of my websites sends emails from various sources including: Mailchimp Mandrill Mailgun Amazon SES From the server itself We have correctly configured SPF & DKIM settings for all of the sources so we decided to add DMARC too and at the same…
Ryflex
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DMARC/SPF configuration error

I have a domain registered at domains.google.com that I use with a G Suite account and also to send email from SES and mailchimp. My DNS records look correct to me (Mailchimp instructions): @ TXT "v=spf1 include:_spf.google.com…
new name
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Understand DMARC Email Record

I want to understand my DMARC record. I've done some reading online but I don't understand why in the tag , spf fails but after when they are detailed it actually passes. …
doremifasolasido
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DMARC/SPF/DKIM not authenticating with third-party mail

We recently implemented a DMARC record for our domain: "v=DMARC1; p=quarantine; pct=100; rua=mailto:me@mydomain.com" (quarantine 100% of non-authenticated emails and send aggregate report to "me") We use a third-party vendor to issue invites. The…
AWaddington
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DMARC -spf and DKIM record queries

I have a scenario with 3rd party vendors… Our company has a lot of 3rd party mail services. I have set up the dmarc with p – none and SPF records were updated with known sending servers. Could you please clarify a statement which I read in…
Lava
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SPF + DKIM pass and DMARC fails

The domain s****g.nl has the following DMARC record: "v=DMARC1; p=reject; rua=mailto:postmaster@s****g.nl, mailto:dmarc@s****g.nl" A valid SPF record for the sending mail server and none DKIM record. The domain fo***de.com has a valid SPF and…
Stefan Groenewoud
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DMARC policy failing for only Google Apps like calender, forms, etc

I have been trying to set up DMARC policy, for my domain. The mail is currently being used with amazon-ses, freshsales, and other related apps. I was successfully able to test it across, with dmarc policy set to p=none. Now, moving further I want to…
Aditya Raman
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SPF, DKIM and DMARC all set but dmarc-reports keep saying the opposite

I'm losing my mind (again) on something about e-mails. I have a Kimsufi/OVH (Debian Wheezy 7.10) server. I have postfix and dovecot all set. My main domain/hostname is mywebsite.fr, and i'm using mywebsite.fr set on mywebsite.fr. I set spf, dkim and…
Vae
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Is there a way to stop receiving DMARC reports

Is there a way to stop receiving DMARC email reports? I added the record to the DNS however, even after I removed that record I am still receiving email reports. I visited a DMARC checker website, just to see if my domain still has a DMARC record…
IzzIbk
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Amazon SES IP Fails SPF Check in DMARC

I use Amazon SES for transactional emails and use the WP SES Plugin to integrate with my WordPress. SPF fails for some of my emails which has the IP starting with 54.240.27. This seems to be Amazon SES IP. I have the following SPF txt added to my…
Abhishek R
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