SPF Usage Statistics

Websites using SPF

SourceLegendChart
Top 10k
Top 100k
Top 1m
Internet

Quantcast Top 10k
6,006 of 10,000

60.1%

Quantcast Top 100k
46,766 of 100,000

46.8%

BuiltWith Top Million
470,333 of 938,410

50.1%

Entire Internet
41,708,110 of 365,371,059

11.4%

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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 41,708,110 live websites using SPF in our records.

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Standard

DKIM

34,862 websites

DMARC

27,680 websites

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