Postini

Category - Email Security

Postini was an e-mail, Web security, and archiving service owned by Google since 2007.


We have discovered  347 live websites   that are using Postini.

Download Lead List
Download a sample report


Technology usage statistics

Websites using Postini347 websites
Most popular in the country United States
Market position in Email Security#46
Market share in Email Security<0.1%

Technology adoption

Recent changes in Postini usage. (See Postini Usage Changes report)
Websites that added Postini+1
Websites that dropped Postini-11

Postini usage distribution by website rank

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

Market Share

Postini market share within the Email Security category



Geographical Distribution

Technology usage distribution by websites across the globe.



Websites utilizing Postini

Top websites that use Postini
DomainCountryRankContacts
bleacherreport.com United States5,427
postini.com United States27,624
campaignasia.com United States33,855
visitflorida.com United States34,298
googlechinawebmaster.com United States48,064
payulatam.com United States70,993
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
SPF2: Total 104,062 domains found using SPF2
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