Top Deliverability’s Blog
Spam Resource: By the numbers: DMARC and BIMI adoption in June 2023
- June 5, 2023
- Posted by: Top Deliverability
- Category: Industry News Spam Resource
Al Iverson just posted another insightful post on Spam Resource:
Let’s have some fun with numbers, shall we? Why don’t we take a list of the top ten million domains (found various places online) and scan the DNS for each of them to look for DMARC records? Good thinking, because that’s exactly what I just did!Here’s what I found.Of the top ten million domains, about 1.1 million (11%) of them have published a DMARC record. I suspect good growth over time here, but I don’t really have backward looking data to compare it to. We’ll see how this grows over time.Looking at the mix of DMARC policies being published, I see that about 61.5% publish “p=none,” 20.5% publish “p=quarantine,” and the remainder (about 18%) publish a “p=reject” policy. DMARC.org has tracked similar data — though not the same data set, but compared to theirs, I’m seeing that a higher percentage of domains publishing a strong (aka “reject” or “quarantine”) policy
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