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Open relay servers
Total open relay servers: 3435
Distribution of Open Relay Mail Servers by CountryThis report is an overview of the number of open relay servers in each country. The list includes all of the transfer agents present in the selected country, by name.
United States
(39%)
Germany
(8%)
United Kingdom
(7%)
Romania
(6%)
France
(3%)
Netherlands
(3%)
Canada
(3%)
Japan
(3%)
Sweden
(2%)
Italy
(2%)
Others
(23%)
Distribution of Open Relay Mail Servers by MTAsThis report is an overview of the open relay servers found, listed by transfer agent name. Each entry represents the number of servers out of the total number of open relays found, by name.
Postfix
(44%)
Microsoft Exchange
(16%)
qmail
(8%)
Sendmail
(6%)
Lsmtp
(6%)
Exim
(6%)
IronMail
(3%)
Microsoft Mail
(3%)
eXpurgate
(1%)
Postini
(1%)
Others
(6%)
Open Relay Blacklisted Mail ServersThis section reports the number of blocked servers that are also open relays. It also contains the number of open relays not being blacklisted.
Black Listed (15%)
Not Black Listed (85%)
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