Почтовые сервера - статистика за 05.2022

http://www.securityspace.com/s_survey/data/man.202205/mxsurvey.html
Server Type	Number of Servers	Percent
Exim	263,743	59.59%
Postfix	148,912	33.64%
Sendmail	15,721	3.55%
MailEnable	8,553	1.93%
MDaemon	2,013	0.45%
Microsoft	1,033	0.23%
CommuniGate Pro	503	0.11%
Qmail Toaster	411	0.09%
IMail	361	0.08%
XMail	302	0.07%
OpenSMTPD	273	0.06%
SurgeSMTP	239	0.05%
MagicMail	102	0.02%
WinWebMail	100	0.02%
Lotus Domino	98	0.02%
Kerio	52	0.01%
Post.Office	52	0.01%
Merak	51	0.01%
ArGoSoft	28	0.01%
GroupWise	23	0.01%
Gordano Messaging Suite (GMS)	13	0.00%
Trend Micro	8	0.00%
OpenVMS	8	0.00%
VisNetic	4	0.00%
ModusMail	2	0.00%
Neon Mail Server	1	0.00%
Interscan	1	0.00%
Mercury	1	0.00%
WebSTAR V	1	0.00%
WebSTAR	1	0.00%
Mirapoint	1	0.00%
InterScan VirusWall	1	0.00%