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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.

United States (35%)

Germany (9%)

Romania (5%)

Japan (5%)

France (4%)

Poland (4%)

United Kingdom (3%)

Netherlands (3%)

Canada (3%)

Brazil (2%)

Others (28%)

Open Relay for Postfix

This section depicts the percentage of servers that run Postfix and are open relay.

Open Relay (12%)

Not Open Relay (88%)

Postfix Blacklisted Servers

This section depicts the percentage of servers that run Postfix and are blacklisted.

Black Listed (53%)

Not Black Listed (47%)

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Mail Server Operating System Poll

DNS Tools

Get IP status, owner and location, obtain its corresponding hostname or check specific ports.

Open Relay Test

Test if your mail server is an open relay for spammers.

Blacklist Checker

Check if your IP is listed in DNS based email blacklists (DNSBL)


Articles & tutorials Backup & Archiving Databases Email Clients Email Etiquette Mobility Operating Systems Security Smart Setups Clustering Virtualization Studies & Benchmarks Support Services Web Integration Messaging news Google Says Infected Spam Is Getting Worse The company's Postini corporate e-mail security service reported... AXIGEN Certified Engineer Training Course The AXIGEN Mail Server – "Certified Engineer"... High Availability for SMB; Clustering for Extended Setups FREE Webinar. Find out more about the webinar and... Upcoming events Software Business 2008... Conference, workshops and bootcamps for executives and managers of...	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. United States (35%) Germany (9%) Romania (5%) Japan (5%) France (4%) Poland (4%) United Kingdom (3%) Netherlands (3%) Canada (3%) Brazil (2%) Others (28%) Open Relay for Postfix This section depicts the percentage of servers that run Postfix and are open relay. Open Relay (12%) Not Open Relay (88%) Postfix Blacklisted Servers This section depicts the percentage of servers that run Postfix and are blacklisted. Black Listed (53%) Not Black Listed (47%)	Why Register? Already a member? Blacklist monitoring alerts Signup for our real-time monitoring service and receive email notifications each time one of your IPs gets blacklisted. Mail Server Operating System Poll .01 What OS do you use for your email server? Linux Windows Other .02 How many mailboxes do you currently manage? 1-50 51-300 300+ .03 Would you like to comment upon the choosing of this particular OS? DNS Tools Get IP status, owner and location, obtain its corresponding hostname or check specific ports. Ping Statistics Reverse DNS Lookup Whois Info (IP owner) GeoIP Information Check Port Open Relay Test Test if your mail server is an open relay for spammers. Blacklist Checker Check if your IP is listed in DNS based email blacklists (DNSBL)