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You are viewing an outdated report published on August 1st, 2013. The latest version of this report was published on December 1st, 2014


    
Mail (MX) Server Survey
August 1st, 2013

Report Description
This report is a comprehensive report involving all mail servers we know of visible on the internet. For each domain in our conventional web server survey, we also determine the list of mail servers that provide inbound mail services (via MX record lookups). Each unique mail server is connected to once each month, where we wait for the server's "220 " message which usually accompanies a banner revealing the server software being used.

Basic Response Statistics
When connecting to an MX server, a number of different responses are possible. The remote server may not be up and running or completely refusing connections, it may not respond back with a "220 " line in the amount of time we wait, nor will it always provide a banner that identifies the type of software running.

Description> Number of Servers Percent
Total Number of MX Servers Queried2,382,866   100.0%
Number of Servers that didn't respond434,06118.22%
    Server didn't open socket423,96917.79%
    Server didn't provide banner10,0920.42%
Server provided banner1,948,80581.78%
Server banner identifies software in use1,074,17945.08%

As indicated by the above table, of the 2,382,866 servers queried, only 1,074,179 servers responded with a banner that allow us to identify the software being used. All of the remaining information in this report is based on the responses that allowed us to identify the software in use.

Basic Technology Breakdown
Server Type Number of Servers Percent
Exim523,52248.74%
Postfix291,99027.18%
Sendmail108,35110.09%
Microsoft73,6286.85%
MailEnable31,7642.96%
MDaemon19,7411.84%
IMail6,2780.58%
Lotus Domino3,9970.37%
CommuniGate Pro2,9520.27%
WinWebMail2,8160.26%
XMail1,9740.18%
Qmail Toaster1,4910.14%
Kerio1,2810.12%
Merak1,0420.10%
SurgeSMTP9870.09%
ArGoSoft6000.06%
GroupWise3700.03%
Post.Office3300.03%
Gordano Messaging Suite (GMS)2870.03%
Trend Micro2560.02%
Mirapoint1150.01%
InterScan VirusWall1080.01%
VisNetic1000.01%
Mercury410.00%
Interscan340.00%
WebSTAR V220.00%
NetIQ MailMarshal210.00%
Neon Mail Server200.00%
OpenVMS200.00%
MessageWall140.00%
WebSTAR130.00%
ModusMail100.00%
MAILsweeper40.00%

Detailed Breakdown of Revisions on a Per-Server Basis

Exim (523,522 servers)

Version Number of Servers Percent
4.80.1274,03852.35%
4.80157,91430.16%
4.7222,0574.21%
4.6918,4593.53%
4.7615,3792.94%
4.7713,8462.64%
Other21,8294.17%

Postfix (291,990 servers)
Version Number of Servers Percent Other291,990100.00%

Sendmail (108,351 servers) Version Number of Servers Percent 8.13.828,29926.12% 8.13.115,24014.07% 8.14.314,74913.61% 8.14.413,12312.11% 8.14.513,04812.04% 8.12.11.200603083,8803.58% 8.13.6.200606143,0882.85% 8.14.22,7112.50% 8.11.61,7221.59% 8.12.101,5721.45% 8.14.11,4711.36% 8.13.61,2231.13% 8.13.71,1481.06% Other7,0776.53%

Microsoft (73,628 servers) Version Number of Servers Percent 6.0.3790.467559,45780.75% 6.0.3790.39597,2049.78% 7.5.7601.175141,9802.69% 6.0.3790.18301,9072.59% 5.0.2195.73817411.01% Other2,3393.18%

MailEnable (31,764 servers) Version Number of Servers Percent 1.986--4,85915.30% 5.10--2,1356.72% 6.5--2,0906.58% 4.26--1,6485.19% 6.0--1,3104.12% 1.981--9462.98% 7.06--6301.98% 6.70--5481.73% 1.983--5131.62% 6.57--5121.61% 3.62--5101.61% 7.0--4861.53% 5.51--4781.50% 6.03--4761.50% 0-6.83-4361.37% 6.60--4031.27% 0-3.65-3521.11% 5.11--3361.06% Other13,09641.23%

MDaemon (19,741 servers) Version Number of Servers Percent 13.0.51,9419.83% 13.0.41,5237.71% 11.0.31,5017.60% 13.5.11,2926.54% 11.0.01,1916.03% 13.0.39834.98% 13.5.06973.53% 10.0.06923.51% 12.5.66463.27% 10.1.25762.92% 10.1.15342.71% 13.0.25122.59% 9.6.13992.02% 9.6.63781.91% 10.1.03561.80% 12.5.43541.79% 9.6.22701.37% 12.5.82431.23% 9.5.22411.22% 12.0.32341.19% 10.0.22221.12% 10.0.52181.10% 9.6.52171.10% 12.5.32101.06% 9.5.12011.02% Other4,11020.82%

IMail (6,278 servers) Version Number of Servers Percent 8.221,04516.65% 12.2.0.23572511.55% 12.3.0.1005929.43% 11.54867.74% 8.153685.86% 9.233675.85% 11.032644.21% 8.052433.87% 12.2.0.1692053.27% 10.022033.23% 12.1.0.2701682.68% 11.011382.20% 7.071362.17% 11.021282.04% 6.061161.85% 7.151121.78% 8.00961.53% 10.01941.50% 11.0831.32% Other70911.29%

Lotus Domino (3,997 servers) Version Number of Servers Percent 8.5.368017.01% 8.5.3FP33027.56% 8.5.22185.45% 8.5.3FP22175.43% 8.5.3FP41724.30% 8.5.2FP21604.00% 8.5.11593.98% 7.0.21503.75% 8.5.3FP11503.75% 8.51353.38% 8.5.2FP31203.00% 8.5.2FP4942.35% 7.0.3822.05% 8.5.1FP5822.05% 7.0671.68% 8.0.1651.63% 8.5.2FP1621.55% 6.5.3611.53% 6.5.1611.53% 6.5.4601.50% 7.0.1601.50% 8.0.2581.45% 6.5.5481.20% 8.0441.10% 6.5431.08% Other64716.19%

CommuniGate Pro (2,952 servers) Version Number of Servers Percent 5.1.162829.55% 6.0.51866.30% 4.1.81053.56% 5.2.20983.32% 6.0.4893.01% 5.4.8782.64% 5.3.13762.57% 5.4.4752.54% 5.4.6752.54% 5.4.10742.51% 6.0.1722.44% 4.2.10712.41% 5.3.15632.13% 5.4.1622.10% 5.2.19561.90% 5.0.14551.86% 5.1.12551.86% 5.2.3551.86% 5.4.5541.83% 5.2.16511.73% 5.4.7471.59% 5.4.3421.42% 5.4.9381.29% 5.4.2371.25% 5.4.0331.12% Other1,02334.65%

WinWebMail (2,816 servers) Version Number of Servers Percent 3.8.1.354619.39% 3.8.0.133311.83% 3.7.6.12619.27% 3.8.1.52368.38% 3.8.5.12308.17% 3.8.1.11946.89% 3.7.3.11866.61% 3.7.7.31615.72% 3.8.2.11595.65% 3.7.1.1873.09% 3.8.3.1832.95% 3.7.5.1722.56% 3.8.3.3692.45% 3.6.3.1431.53% 3.7.0.3391.38% 3.7.7.1311.10% 3.7.0.5301.07% Other561.99%

XMail (1,974 servers) Version Number of Servers Percent 1.2760630.70% 1.2247524.06% 1.2531015.70% 1.2621210.74% 1.241366.89% 1.21613.09% 1.23351.77% 1.20321.62% 1.17291.47% Other783.95%

Qmail Toaster (1,491 servers) Version Number of Servers Percent 1.31,41394.77% 1.2422.82% Other362.41%

Kerio (1,281 servers) Version Number of Servers Percent 6.7.322117.25% 6.6.21269.84% 6.7.01239.60% 6.5.01038.04% 6.5.2886.87% 6.7.2826.40% 6.4.1705.46% 6.7.1695.39% 6.3.1524.06% 6.4.0483.75% 6.6.1423.28% 6.5.1393.04% 6.6.0372.89% 6.3.0262.03% 6.4.2251.95% 6.0.10171.33% Other1138.82%

Merak (1,042 servers) Version Number of Servers Percent 8.0.341239.54% 8.9.111511.04% 8.5.0646.14% 7.5.2484.61% 8.3.8474.51% 7.4.5413.93% 7.6.4403.84% 7.0.1222.11% 7.4.2181.73% 9.0.0171.63% 7.6.1171.63% 8.3.15151.44% 7.6.0151.44% 7.2.0141.34% 8.9.0121.15% 6.2.1111.06% Other13412.86%

SurgeSMTP (987 servers) Version Number of Servers Percent 6.3c2-231632.02% 5.3h2-2686.89% 6.1c-1666.69% 5.2a-1616.18% 6.4a-1474.76% 3.9e-1444.46% 6.0a5-5262.63% 4.0u4-4232.33% 3.8k4-4222.23% 4.2d2-2171.72% 6.0a4-4151.52% 5.0e4-4141.42% 3.8i3-3131.32% 4.3g2-2131.32% 6.4b-19121.22% 4.2d4-4111.11% 4.2a3-3101.01% 3.9h-18101.01% Other19920.16%

ArGoSoft (600 servers) Version Number of Servers Percent 1.8 (1.8.9.6)15125.17% 1.8 (1.8.9.5)8013.33% 1.8 (1.8.9.3)7712.83% 1.8 (1.8.9.1)7011.67% 1.8 (1.8.8.7)386.33% 1.8 (1.8.8.8)355.83% 1.8 (1.8.9.2)244.00% 1.8 (1.8.9.4)183.00% 1.8 (1.8.8.9)101.67% 1.8 (1.8.6.0)81.33% 1.8 (1.8.7.3)71.17% 1.8 (1.8.8.1)61.00% Other7612.67%

GroupWise (370 servers) Version Number of Servers Percent 7.0.36617.84% 8.0.25214.05% 6.5.74612.43% 7.0.4349.19% 7.0.2225.95% 8.0.3215.68% 6.5.6164.32% 6.5.4164.32% 7.0.1112.97% 6.0.4102.70% 12.0.292.43% 8.0.192.43% 12.0.182.16% 12.0.071.89% 6.5.171.89% 7.071.89% 8.0.071.89% 6.5.551.35% 6.5.241.08% Other133.51%

Post.Office (330 servers) Version Number of Servers Percent 3.5.34112.42% 4.1.2.43310.00% 4.1.0.2298.79% 4.1.1185.45% 4.0.1154.55% 4.2123.64% 3.5.3J113.33% 4.2.2103.03% 4.1.0.3103.03% 3.9.2.3103.03% 3.1.2J92.73% 3.8.392.73% 3.9.282.42% 3.1.282.42% 4.1.0.482.42% 4.1.2.361.82% 3.9.161.82% 4.2.1.361.82% 3.6.261.82% 4.2.1.151.52% 3.8.7.441.21% 3.9.2.241.21% 3.5.141.21% 3.5.441.21% 4.0.0.141.21% 4.1.2.241.21% 3.9.1.341.21% 4.141.21% 4.0.1.141.21% 3.9.1.241.21% Other309.09%

Gordano Messaging Suite (GMS) (287 servers) Version Number of Servers Percent Other287100.00%

Trend Micro (256 servers) Version Number of Servers Percent 5.79838.28% 5.55722.27% 5.184015.62% 7.02911.33% 7.1207.81% 3.5331.17% Other93.52%

Mirapoint (115 servers) Version Number of Servers Percent 4.3.5-GA1613.91% 3.10.10a-GA1311.30% 4.2.3-GA1210.43% 4.3.6-GA97.83% 3.10.9-GA76.09% 4.1.10-GA76.09% 4.1.9-GA65.22% 4.4.2a-FCS43.48% 4.3.3-GA43.48% 3.10.8-GA43.48% 4.1.8-GA32.61% 3.10.4-GA32.61% 4.1.3-GA32.61% 4.1.5-GA32.61% 4.2.4-GA32.61% 4.3.7-GA21.74% 4.0.5a21.74% 3.8.3-GA21.74% 3.10.3-GA21.74% 3.7.5a-GA21.74% Other86.96%

InterScan VirusWall (108 servers) Version Number of Servers Percent Other108100.00%

VisNetic (100 servers) Version Number of Servers Percent 9.3.2.02626.00% 9.1.4.11010.00% 8.0.3.177.00% 5.5.8.366.00% 7.6.1.055.00% 7.2.4.144.00% 6.2.2.044.00% 5.0.2.344.00% 5.8.6.644.00% 5.4.5.433.00% 8.5.0.833.00% 8.0.3.033.00% 9.1.4.033.00% 8.0.333.00% 5.3.5.022.00% 5.8.6.422.00% 6.0.9.011.00% 7.5.3.011.00% 8.5.0.511.00% 8.3.611.00% 9.1.4.1 da-lax-msg mail.davidco.com11.00% 7-6-1-011.00% 5.0.2.011.00% 8.3.5.011.00% 5.0.2.111.00% 8.3.0.011.00% 8.3.0.111.00% Other00.00%

Mercury (41 servers) Version Number of Servers Percent 1.482151.22% 3.321331.71% 3.21c24.88% 1.4724.88% 3.2112.44% 1.4412.44% 4.x12.44% Other00.00%

Interscan (34 servers) Version Number of Servers Percent 3.55 (build 1016)720.59% 3.81-Build_1022617.65% 3.55 (build 1029)411.76% 3.53 (build 1493)38.82% 3.81-Build_108438.82% 3.53 (build 2017)25.88% 3.8-Build_301325.88% 3.53 (build 2011)25.88% 3.8-Build_108012.94% 3.8-Build_304512.94% 3.51 (build 1337)12.94% 3.5 (build 1294)12.94% 3.53 (build 2013)12.94% Other00.00%

WebSTAR V (22 servers) Version Number of Servers Percent 5.4.11254.55% 5.4.0522.73% 5.3.4313.64% 5.3.314.55% 5.3.214.55% Other00.00%

NetIQ MailMarshal (21 servers) Version Number of Servers Percent 6.0.3.81257.14% 5.5.6.7314.29% 5.5.6.529.52% 5.5.6.629.52% 5.5.5.614.76% 5.5.4.1714.76% Other00.00%

Neon Mail Server (20 servers) Version Number of Servers Percent 3.0.7630.00% 3.1.3315.00% 3.1.4315.00% 3.1.0210.00% 3.0.9210.00% 3.1.2210.00% 3.0.615.00% 3.1.515.00% Other00.00%

OpenVMS (20 servers) Version Number of Servers Percent 8.3840.00% 8.4735.00% 7.3420.00% 8.215.00% Other00.00%

MessageWall (14 servers) Version Number of Servers Percent 1.0.81392.86% 1.0.617.14% Other00.00%

WebSTAR (13 servers) Version Number of Servers Percent Other13100.00%

ModusMail (10 servers) Version Number of Servers Percent 4.35.477.0660.00% 3.1.302.0110.00% 4.35.477.8110.00% 3.2.315.0110.00% 4.1.361.21110.00% Other00.00%

MAILsweeper (4 servers) Version Number of Servers Percent 4.3.17.0250.00% 4.3.20.0125.00% 4.3.19.0125.00% Other00.00%



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