Distribution by MTA
Mail Server Postfix
. Total servers: 12133
Distribution of the Postfix Mail Server by Country
This graphic shows the amount of Postfix servers worldwide by country.
Open Relay for Postfix
This section depicts the percentage of servers that run Postfix and are open relay.
Postfix Blacklisted Servers
This section depicts the percentage of servers that run Postfix and are blacklisted.
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Mail Server Operating System Poll
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Open Relay Test
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Check if your IP is listed in DNS based email blacklists (DNSBL)