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DMARC record, available or not?


Hey everyone,
Does anyone know if it’s possible to set up a DMARC record ?
Thanks !


felixb - did you manage to answer this?

I have the following error;
Send: mail IN TXT "v=DMARC1;p=none;"
Response: Error when adding the entry to the DNS zone. (Invalid subDomain)

  • mail has a working mx and A record.
    Any ideas?
    — Updated —
    Solved it. it was the ; at the end of the message. this need to be removed so should be… IN TXT “v=DMARC1;p=none”. It was the domain zone add entry table that threw the error - record added via text edit.



The TXT record should be like that :

Host : _dmarc
type : TXT
Value : = DMARC1; p=none; rua=mailto:entreprise1@youremailhere; ruf=mailto:entreprise1@youremailhere; fo=1;

Change the mailto email by your email adresse.

On this email adresse you will receive XML reports that you can analyze to know who is sending emails on behalf of your domain and make sure all your e-mails are well authenticated with SPF/DKIM.

When this is done you can protect your domain with DMARC quarantine policy like this one :

Host : _dmarc
type : TXT
Value : = DMARC1; p=quarantine; rua=mailto:youremailhere; ruf=mailto:youremailhere; fo=1;

By adding this DMARC value, any emails sent with your email addresses that is not authenticated will be sent to the spam folder of the recipient.

Retex on how to implement DMARC in big firm there (french sorry) : link here