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You are viewing an outdated report published on October 1st, 2012. The latest version of this report was published on August 1st, 2014


    
Mail (MX) Server Survey
October 1st, 2012

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 Queried2,494,680   100.0%
Number of Servers that didn't respond448,25617.97%
    Server didn't open socket435,94817.48%
    Server didn't provide banner12,3080.49%
Server provided banner2,046,42482.03%
Server banner identifies software in use1,120,81844.93%

As indicated by the above table, of the 2,494,680 servers queried, only 1,120,818 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
Exim521,88746.56%
Postfix279,60524.95%
Sendmail125,78311.22%
Microsoft106,3479.49%
MailEnable34,4073.07%
MDaemon21,5951.93%
IMail7,9750.71%
Lotus Domino4,8250.43%
WinWebMail3,6080.32%
CommuniGate Pro3,2970.29%
XMail2,2500.20%
Kerio1,7720.16%
Qmail Toaster1,6990.15%
Merak1,3420.12%
SurgeSMTP1,1270.10%
ArGoSoft8270.07%
GroupWise5650.05%
Post.Office4030.04%
Trend Micro3900.03%
Gordano Messaging Suite (GMS)3660.03%
Mirapoint1790.02%
VisNetic1440.01%
InterScan VirusWall1440.01%
Interscan540.00%
Mercury540.00%
NetIQ MailMarshal440.00%
WebSTAR V320.00%
Neon Mail Server270.00%
OpenVMS190.00%
MessageWall180.00%
WebSTAR140.00%
ModusMail140.00%
MAILsweeper50.00%

Detailed Breakdown of Revisions on a Per-Server Basis

Exim (521,887 servers)

Version Number of Servers Percent
4.77365,30570.00%
4.7649,7909.54%
4.6941,3617.93%
4.7225,6454.91%
4.8011,8922.28%
4.676,4471.24%
4.635,3471.02%
Other16,1003.08%

Postfix (279,605 servers)
Version Number of Servers Percent Other279,605100.00%

Sendmail (125,783 servers) Version Number of Servers Percent 8.13.833,72526.81% 8.13.119,62115.60% 8.14.316,47513.10% 8.14.513,18010.48% 8.14.411,5189.16% 8.12.11.200603084,9393.93% 8.13.6.200606143,8373.05% 8.14.23,5882.85% 8.11.62,5192.00% 8.12.102,2291.77% 8.14.12,0271.61% 8.13.61,8531.47% 8.12.11.200606141,8351.46% 8.13.71,6051.28% 8.12.111,3471.07% Other5,4854.36%

Microsoft (106,347 servers) Version Number of Servers Percent 6.0.3790.467585,21180.13% 6.0.3790.395912,17811.45% 6.0.3790.18303,3353.14% 7.5.7601.175141,5751.48% 5.0.2195.73811,1781.11% Other2,8702.70%

MailEnable (34,407 servers) Version Number of Servers Percent 1.986--7,75322.53% 5.10--2,7237.91% 4.26--2,4367.08% 1.981--1,3894.04% 6.0--1,3163.82% 6.5--9742.83% 1.983--8742.54% 6.03--7622.21% 0-3.63-7362.14% 5.51--6601.92% 3.62--6511.89% 5.11--5781.68% 6.53--5411.57% 0-1.87-3841.12% 0-4.26-3781.10% 4.22--3591.04% Other11,89334.57%

MDaemon (21,595 servers) Version Number of Servers Percent 12.5.62,63812.22% 11.0.32,46211.40% 12.5.71,7157.94% 11.0.01,3686.33% 10.0.08583.97% 12.5.48463.92% 10.1.27833.63% 10.1.16993.24% 12.5.35722.65% 9.6.15382.49% 13.0.05182.40% 12.0.35112.37% 9.6.64832.24% 10.1.04472.07% 12.5.23591.66% 12.0.43581.66% 9.6.23271.51% 9.5.23101.44% 10.0.53061.42% 9.6.52971.38% 10.0.22691.25% 9.5.12591.20% 9.5.62501.16% 9.6.42341.08% 8.1.32191.01% Other3,96918.38%

IMail (7,975 servers) Version Number of Servers Percent 8.221,44418.11% 11.596712.13% 12.1.0.2707509.40% 9.235106.39% 8.154785.99% 11.034215.28% 11.014105.14% 8.053013.77% 12.0.0.3842433.05% 10.022413.02% 11.02192.75% 7.071932.42% 11.021662.08% 6.061451.82% 12.0.0.3481391.74% 7.151361.71% 10.011341.68% 8.001341.68% 9.21921.15% 9.10851.07% Other7679.62%

Lotus Domino (4,825 servers) Version Number of Servers Percent 8.5.381016.79% 8.5.23657.56% 8.5.2FP22835.87% 8.5.3FP12775.74% 8.5.12404.97% 7.0.22094.33% 8.51743.61% 8.5.3FP21673.46% 8.5.2FP31663.44% 7.0.31222.53% 8.5.2FP11092.26% 8.5.2FP41072.22% 7.0.11012.09% 8.5.1FP5992.05% 8.0.1951.97% 8.0.2891.84% 6.5.4841.74% 7.0841.74% 6.5.1811.68% 6.5.3791.64% 8.0721.49% 6.5.5581.20% 8.5.1FP4511.06% 8.5.1FP3511.06% 6.5511.06% 7.0.3FP1491.02% Other75215.59%

WinWebMail (3,608 servers) Version Number of Servers Percent 3.8.1.374320.59% 3.8.0.150313.94% 3.7.6.139510.95% 3.8.1.53579.89% 3.7.3.12807.76% 3.8.2.12767.65% 3.8.1.12707.48% 3.7.7.32667.37% 3.7.1.11333.69% 3.7.5.11002.77% 3.7.7.1681.88% 3.6.3.1601.66% 3.7.0.3521.44% 3.7.0.5451.25% 3.7.0.7391.08% Other210.58%

CommuniGate Pro (3,297 servers) Version Number of Servers Percent 5.1.162698.16% 5.4.61544.67% 5.4.51514.58% 5.4.41484.49% 4.1.81404.25% 5.2.201083.28% 5.3.13942.85% 5.4.1902.73% 5.4.7842.55% 5.2.16812.46% 4.2.10782.37% 5.4.2752.27% 5.2.3682.06% 5.1.12672.03% 5.0.14641.94% 5.2.19621.88% 5.4.3601.82% 5.3.15591.79% 5.2.14521.58% 5.4.0461.40% 5.2.12451.36% 5.3.8411.24% 5.1.13401.21% 5.3.9401.21% 5.4381.15% 5.3.12381.15% 5.3.10381.15% 5.2.13371.12% 5.2.8341.03% 6.0331.00% Other96329.21%

XMail (2,250 servers) Version Number of Servers Percent 1.2758225.87% 1.2252523.33% 1.2539317.47% 1.2626411.73% 1.241838.13% 1.21833.69% 1.23512.27% 1.20391.73% 1.17351.56% Other954.22%

Kerio (1,772 servers) Version Number of Servers Percent 6.7.327115.29% 6.6.21749.82% 6.7.01659.31% 6.5.01337.51% 6.5.21226.88% 6.4.11035.81% 6.7.21015.70% 6.7.1895.02% 6.3.1824.63% 6.4.0703.95% 6.5.1633.56% 6.6.1623.50% 6.6.0603.39% 6.4.2372.09% 6.3.0341.92% 6.2.0201.13% 6.0.10201.13% 6.1.4191.07% Other1478.30%

Qmail Toaster (1,699 servers) Version Number of Servers Percent 1.31,61394.94% 1.2533.12% Other331.94%

Merak (1,342 servers) Version Number of Servers Percent 8.0.353740.01% 8.9.114710.95% 8.5.01017.53% 7.5.2614.55% 8.3.8564.17% 7.6.4554.10% 7.4.5544.02% 9.0.0261.94% 7.4.2241.79% 8.9.0191.42% 7.6.1181.34% 8.2.4181.34% 7.0.1181.34% 7.2.0181.34% 6.2.1161.19% 4.4.2161.19% 8.3.15141.04% Other14410.73%

SurgeSMTP (1,127 servers) Version Number of Servers Percent 6.1c-121819.34% 5.3h2-216114.29% 5.2a-111610.29% 3.9e-1686.03% 6.0a5-5645.68% 6.0a4-4363.19% 3.8k4-4322.84% 4.0u4-4292.57% 5.0e4-4232.04% 4.2d2-2191.69% 4.3g2-2181.60% 5.3h-1161.42% 3.9h-18151.33% 3.8i3-3151.33% 5.0e3-3151.33% 4.2d4-4131.15% 3.7b8-8121.06% 6.0a3-3121.06% 3.6f5-5121.06% 4.3g4-4121.06% Other22119.61%

ArGoSoft (827 servers) Version Number of Servers Percent 1.8 (1.8.9.6)19623.70% 1.8 (1.8.9.5)12014.51% 1.8 (1.8.9.3)10712.94% 1.8 (1.8.9.1)809.67% 1.8 (1.8.8.8)576.89% 1.8 (1.8.8.7)516.17% 1.8 (1.8.9.2)313.75% 1.8 (1.8.9.4)242.90% 1.8 (1.8.6.0)172.06% 1.8 (1.8.8.1)131.57% 1.8 (1.8.8.9)131.57% 1.8 (1.8.8.2)91.09% Other10913.18%

GroupWise (565 servers) Version Number of Servers Percent 8.0.211520.35% 7.0.310919.29% 6.5.76411.33% 7.0.4427.43% 7.0.2417.26% 6.5.4234.07% 8.0.1223.89% 6.5.6213.72% 7.0.1193.36% 6.5.1193.36% 12.0.0183.19% 6.0.4173.01% 8.0.0111.95% 7.091.59% 6.5.571.24% Other284.96%

Post.Office (403 servers) Version Number of Servers Percent 3.5.35814.39% 4.1.0.2368.93% 4.1.2.4317.69% 4.0.1297.20% 4.1.1194.71% 3.9.2.3174.22% 3.8.3143.47% 3.5.3J133.23% 4.2122.98% 3.9.2112.73% 3.1.2102.48% 4.1.0.3102.48% 3.1.2J102.48% 4.0.1.192.23% 3.8.7.492.23% 3.6.281.99% 4.1.0.481.99% 4.2.1.171.74% 4.1.2.371.74% 4.1.2.261.49% 3.9.161.49% 3.9.1.261.49% 4.2.161.49% 3.9.1.351.24% 4.0.0.151.24% Other5112.66%

Trend Micro (390 servers) Version Number of Servers Percent 5.714837.95% 5.510326.41% 5.187017.95% 7.0358.97% 7.1225.64% Other123.08%

Gordano Messaging Suite (GMS) (366 servers) Version Number of Servers Percent Other366100.00%

Mirapoint (179 servers) Version Number of Servers Percent 3.10.10a-GA2212.29% 4.2.3-GA168.94% 4.1.10-GA147.82% 3.10.5-GA105.59% 3.10.9-GA95.03% 4.1.3-GA95.03% 4.1.9-GA95.03% 3.10.8-GA84.47% 4.3.3-GA73.91% 3.8.3-GA73.91% 3.8.4-GA73.91% 4.3.5-GA73.91% 4.1.4-GA63.35% 3.10.7-GA52.79% 4.2.4-GA52.79% 4.1.8-GA42.23% 3.8.5-GA42.23% 4.1.5-GA31.68% 3.8.7a31.68% 3.8.6-GA31.68% 4.3.4-GA31.68% 3.10.4-GA31.68% 3.7.5a-GA31.68% 4.0.5a21.12% 3.10.3-GA21.12% Other84.47%

VisNetic (144 servers) Version Number of Servers Percent 9.3.2.04128.47% 9.1.4.11913.19% 8.5.0.8106.94% 5.5.8.385.56% 5.8.6.674.86% 8.0.3.164.17% 7.6.1.064.17% 8.0.353.47% 8.0.3.042.78% 5.3.5.042.78% 6.2.2.042.78% 5.4.5.432.08% 5.0.2.332.08% 9.1.4.032.08% 7.2.4.132.08% 5.0.2.121.39% 6.0.9.021.39% 8.3.5.021.39% Other128.33%

InterScan VirusWall (144 servers) Version Number of Servers Percent Other144100.00%

Interscan (54 servers) Version Number of Servers Percent 3.55 (build 1016)1222.22% 3.81-Build_10221018.52% 3.55 (build 1029)712.96% 3.53 (build 2011)47.41% 3.8-Build_301347.41% 3.81-Build_108435.56% 3.53 (build 2017)35.56% 3.53 (build 1493)35.56% 3.53 (build 2013)23.70% 3.8-Build_304511.85% 3.8-Build_108011.85% 3.55 (build 1020)11.85% 3.51 (build 1337)11.85% 3.5 (build 1294)11.85% 3.81-Build_105511.85% Other00.00%

Mercury (54 servers) Version Number of Servers Percent 1.482953.70% 3.321527.78% 3.21c23.70% 1.4723.70% 3.01a23.70% 3.3011.85% 3.2111.85% 1.4411.85% 4.x11.85% Other00.00%

NetIQ MailMarshal (44 servers) Version Number of Servers Percent 6.0.3.83068.18% 5.5.6.749.09% 6.1.3.1536.82% 5.5.6.624.55% 5.5.6.524.55% 5.5.4.1612.27% 5.5.5.612.27% 5.5.4.1712.27% Other00.00%

WebSTAR V (32 servers) Version Number of Servers Percent 5.4.11546.88% 5.4.0928.12% 5.3.339.38% 5.3.439.38% 5.3.226.25% Other00.00%

Neon Mail Server (27 servers) Version Number of Servers Percent 3.0.7725.93% 3.1.3518.52% 3.1.0414.81% 3.1.4311.11% 3.1.2311.11% 3.0.927.41% 3.0.613.70% 3.1.113.70% 3.1.513.70% Other00.00%

OpenVMS (19 servers) Version Number of Servers Percent 8.3842.11% 8.4631.58% 7.3315.79% 8.215.26% 6.115.26% Other00.00%

MessageWall (18 servers) Version Number of Servers Percent 1.0.81794.44% 1.0.615.56% Other00.00%

WebSTAR (14 servers) Version Number of Servers Percent Other14100.00%

ModusMail (14 servers) Version Number of Servers Percent 4.35.477.0642.86% 4.35.480.0214.29% 4.35.477.817.14% 3.1.302.017.14% 4.3.459.017.14% 3.2.315.017.14% 4.1.361.2117.14% 4.0.340.317.14% Other00.00%

MAILsweeper (5 servers) Version Number of Servers Percent 4.3.19.0240.00% 4.3.17.0240.00% 4.3.20.0120.00% Other00.00%



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