Secure Email Usage Distribution in the Top 1 Million Sites

Statistics for websites using Secure Email providers

Technology	Websites	%
Proofpoint	14,582	1.46
Barracuda Networks	6,129	0.61
Sophos	4,065	0.41
Cisco Ironport Cloud	3,622	0.36
Agari	3,104	0.31
Valimail	2,589	0.26
Symantec.cloud	2,191	0.22
FastMail	1,929	0.19
Dyn	1,636	0.16
TrendMicro Email Services	1,501	0.15
Hornetsecurity	1,363	0.14
MailSpike	1,317	0.13
AppRiver	1,182	0.12
CDNS Network	881	0.09
Websense	652	0.07
Mailhardener	613	0.06
MailInBlack	292	0.03
Zix	261	0.03
Zivver	242	0.02
FortiCloud	241	0.02
McAfee SaaS Email	237	0.02
Paubox	217	0.02
SpamTitan	195	0.02
Securence	189	0.02
CensorNet	149	0.01
MailGuard	141	0.01
MailRoute	113	0.01
Network Solutions Email Hosting	104	0.01
SilverSky	93	0.01
Greenview Data	92	0.01
SMX	88	0.01
Gaggle	86	0.01
SimpleLogin	85	0.01
TOPSEC	85	0.01
Mesh Security	83	0.01
EveryCloud	76	0.01
ZoneEdit MX	75	0.01
FilteredMX KGIX	74	0.01
Commtouch	66	0.01
GFI	65	0.01
AnubisNetworks	59	0.01
RPost	53	0.01
Heimdal	52	0.01
Send Guardian	37	0
ZEROSPAM	35	0
Hushmail	31	0
EncryptTitan	30	0
Planisys	27	0
Sendmetric	25	0
Perimeter	23	0
EchoWorx	22	0
MxHero	21	0
Spamtador	18	0
Retarus	17	0
iCritical	17	0
The Email Laundry	15	0
Spamina	15	0
Mailfence	13	0
MX Guardian	12	0
ExchangeDefender	11	0
VSL Net	11	0
Heluna	10	0
Panda Security	10	0
Permido	9	0
Spam Arrest	8	0
StartMail	7	0
MailCleaner	6	0
Enguard	5	0
SpamPort	5	0
Mithi	5	0
Kerjamail	4	0
ZScaler	2	0
LastSpam	2	0
Akomodix	1	0
Network Box USA	1	0
Webroot	1	0
AnteSpam	1	0