OS/2, eCS & ArcaOS - Technical > Applications

DMARC error

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Per E. Johannessen:
Hi,

I'm sending a lot of e-mails with Seamonkey 2.35 and it woks fine.
However, I've now been informed by one recipient (a company) that the e-mail I sent them has a "DMARC-error".

Got the following info from them;
---
Error info: Sender Policy Framework (SPF) error.

DMARC error. This error means that the message failed authentication tests and is not DMARC Compliant.
A DMARC Compliance failure means that both SPF & DKIM verification tests failed.
---

Anyone who knows aything about this?

Roderick Klein:
The domain name that is your email address is SPF and DMARC setup correctly ?

Goto https://mxtoolbox.com/ and put your domain name to check if stuff is setup correctly.
Is your SPF record also needs to have the correct entries.

Roderick Klein

Sean Casey:
The receiving mail server looked at your DNS entries for DKIM and then SPF to validate your mail server's identity.   Your mail server's public encryption key is included in your mail server's DNS DKIM entry, usually in the form of:
   
     v=DKIM1;p=<public key here>

You can identify your DKIM record using this site: https://dnschecker.org/dkim-record-checker.php

Your mail server's DNS SPF entry tells the other mail server if it should accept mail from one or more mail servers for your domain.   My mail server's SPF record identifies a single mail server and looks like this:

     v=spf1 ip4:<IP address here> -all

You can use this site to view your SPF record details:  https://dnschecker.org/spf-record-validation.php

Per E. Johannessen:
Thanks guys, I've sent a PM to both of you.

Martin Iturbide:
Hi Per.

I suffered a similar issue for my office domain email hosting. In my case the mxtool reported me that I need to enable a "DMARC Quarantine/Reject policy".

I have a simple hosting with HostGator. I went to the portal, go to CPanel - Domain - Zone Editor. There I added a new MX Record for my domain:
- _dmarc.yourdomain.com.
- 14400
- TXT
- v=DMARC1;p=quarantine;sp=none;adkim=r;aspf=r;pct=100;fo=1;rf=afrf;ri=86400;rua=mailto:email@yourdomain.com;ruf=mailto:email@yourdomain.com

I just followed some instructions, I don't know exactly what mean each of the parameters. But from that moment my DMARC issue was gone.

Regards

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