Secure Email Usage Distribution in the Top 1 Million Sites

Statistics for websites using Secure Email providers

Technology	Websites	%
Proofpoint	8,645	0.86
Barracuda Networks	6,754	0.68
Symantec.cloud	5,911	0.59
Commtouch	4,165	0.42
AppRiver	2,891	0.29
Network Solutions Email Hosting	2,694	0.27
Dyn	2,377	0.24
Websense	1,386	0.14
FastMail	1,205	0.12
TrendMicro Email Services	1,066	0.11
McAfee SaaS Email	945	0.09
CDNS Network	685	0.07
Greenview Data	595	0.06
Securence	538	0.05
SilverSky	472	0.05
Hornetsecurity	329	0.03
The Email Laundry	262	0.03
MailRoute	230	0.02
SpamTitan	220	0.02
GFI	205	0.02