SPF Market Share  

/> United States
/> United Kingdom
/> India
/> Germany
/> China
/> Other

How many sites from each region we first detected using SPF at specific date periods in the top 1 million sites.

We know of at least 76,903,972 live websites using SPF.

Total Country Distribution

Distribution of locations of all SPF customers in the top 1 million sites.

Gaining Customers In Top Million sites From
Technology Gained Top 1m Lost Top 1m Net Top 1m
DMARC
SPF is taking customers from DMARC.
17,932* 151* 17,781*
Sender ID
SPF is taking customers from Sender ID.
1,500* 24* 1,476*
DKIM
SPF is taking customers from DKIM.
1,390* 86* 1,304*
Losing Customers In Top Million sites To
Technology Gained Top 1m Lost Top 1m Net Top 1m
No one yet.