Top Deliverability’s Blog
Spam Resource: Don’t double up on DMARC
- January 18, 2024
- Posted by: Top Deliverability
- Category: Industry News Spam Resource
Al Iverson just published a interesting write-up on Spam Resource:
Here’s a new oops that I’ve observed a few times recently! In case you didn’t know already, you can’t have two DMARC records for your domain name. (I’m not talking about subdomains … I’m talking about specifically having two DMARC DNS records at the same level in DNS.) If you look up your domain’s DMARC record, using dmarcian’s DMARC Inspector, or the Wombatmail tool, or any of the many fine tools out there, and you look up your domain name, and you see that domain has two DMARC records in DNS, that’s a fail. Not a good thing. You don’t want that. You can have only one. Here’s an example of a domain with a busted double DMARC record. I didn’t even create that one special for you — that was my own oops. So I’m going to leave it in place, to share with you all. See, it happens
Read more from the original source: Don’t double up on DMARC
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