SPF2

Category - Email Security

Sender Policy Framework is an email authentication method designed to detect forging sender addresses during the delivery of the email


We have discovered  104,062 live websites   that are using SPF2.

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Technology usage statistics

Websites using SPF2104,062 websites
Most popular in the country Slovakia
Market position in Email Security#6
Market share in Email Security0.31%

Technology adoption

Recent changes in SPF2 usage. (See SPF2 Usage Changes report)
Websites that added SPF2+1,399
Websites that dropped SPF2-837

SPF2 usage distribution by website rank

The correlation between utilization of SPF2 technology and the relative popularity of websites

Market Share

SPF2 market share within the Email Security category



Geographical Distribution

Technology usage distribution by websites across the globe.



Websites utilizing SPF2

Top websites that use SPF2
DomainCountryRankContacts
amazon.com United States84
tripadvisor.com United States294
amazon.de Germany366
amazon.co.jp Japan373
behance.net United States437
amazon.co.uk GB443
See full domain list

Alternative Technologies


SPF1: Total 31,911,444 domains found using SPF1
MailChannels: Total 627,110 domains found using MailChannels
Proofpoint Essentials: Total 286,620 domains found using Proofpoint Essentials
DMARC: Total 131,606 domains found using DMARC
Mimecast: Total 114,770 domains found using Mimecast
DKIM1: Total 87,643 domains found using DKIM1
AppRiver: Total 44,691 domains found using AppRiver
Sophos: Total 43,720 domains found using Sophos
Hornetsecurity: Total 39,249 domains found using Hornetsecurity
TrendMicro Email Security: Total 28,191 domains found using TrendMicro Email Security