SPF Usage Statistics

Websites using SPF

SourceLegendChart
Top 10k
Top 100k
Top 1m
Internet

Quantcast Top 10k
5,453 of 10,000

54.5%

Quantcast Top 100k
46,446 of 100,000

46.4%

BuiltWith Top Million
345,038 of 942,376

36.6%

Entire Internet
41,480,275 of 370,393,936

11.2%

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The Sender Policy Framework is an open standard specifying a technical method to prevent sender address forgery.

http://www.openspf.org/

Categories: Email Hosting Providers · Standard

We know of 41,480,275 live websites using SPF in our records.

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Standard

DKIM

34,081 websites

DMARC

27,162 websites

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