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You are viewing an outdated report published on November 1st, 2007. The latest version of this report was published on April 1st, 2014


    
Mail (MX) Server Survey
November 1st, 2007

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 Queried1,770,241   100.0%
Number of Servers that didn't respond248,64514.05%
    Server didn't open socket238,35613.46%
    Server didn't provide banner10,2890.58%
Server provided banner1,521,59685.95%
Server banner identifies software in use921,04852.03%

As indicated by the above table, of the 1,770,241 servers queried, only 921,048 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
Sendmail259,41628.17%
Microsoft204,51622.20%
Exim189,42120.57%
Postfix140,66115.27%
IMail28,5633.10%
MDaemon22,5212.45%
MailEnable21,9642.38%
Merak7,8550.85%
Lotus Domino7,4330.81%
Kerio5,1750.56%
CommuniGate Pro5,1590.56%
WinWebMail4,5650.50%
Trend Micro4,0610.44%
GroupWise3,4430.37%
ArGoSoft2,9430.32%
XMail2,6540.29%
SurgeSMTP1,8440.20%
Qmail Toaster1,5460.17%
Gordano Messaging Suite (GMS)1,1970.13%
Post.Office1,0770.12%
InterScan VirusWall9240.10%
NetIQ MailMarshal8970.10%
Interscan7570.08%
VisNetic5640.06%
Mirapoint5580.06%
ModusMail2710.03%
WebSTAR V2470.03%
Mercury2370.03%
Neon Mail Server1850.02%
MAILsweeper1410.02%
MessageWall1140.01%
WebSTAR1020.01%
OpenVMS370.00%

Detailed Breakdown of Revisions on a Per-Server Basis

Sendmail (259,416 servers)

Version Number of Servers Percent
8.12.11.2006061443,11216.62%
8.12.11.2006030832,87612.67%
8.13.126,68710.29%
8.13.624,6189.49%
8.11.624,5949.48%
8.12.1016,9826.55%
8.13.815,3905.93%
8.12.1110,4594.03%
8.13.6.2006061410,3724.00%
8.14.19,4203.63%
8.13.48,6713.34%
8.12.87,4932.89%
8.13.76,0182.32%
8.10.24,4541.72%
8.9.34,3681.68%
Other13,9025.36%

Microsoft (204,516 servers)
Version Number of Servers Percent 6.0.3790.395995,42446.66% 6.0.3790.183067,53033.02% 5.0.2195.671324,65812.06% 6.0.3790.21110,5715.17% Other6,3333.10%

Exim (189,421 servers) Version Number of Servers Percent 4.6894,83950.07% 4.6343,83123.14% 4.6612,9186.82% 4.508,0864.27% 4.607,6714.05% 4.674,5032.38% 4.623,9642.09% 4.523,7011.95% Other9,9085.23%

Postfix (140,661 servers) Version Number of Servers Percent Other140,661100.00%

IMail (28,563 servers) Version Number of Servers Percent 8.225,64719.77% 8.154,93917.29% 8.052,89610.14% 9.212,6939.43% 9.102,2687.94% 9.201,4134.95% 7.071,1914.17% 7.151,1373.98% 6.068893.11% 8.006302.21% 8.216042.11% 8.204041.41% 8.123211.12% 8.043211.12% 8.103161.11% 8.023071.07% 8.012981.04% Other2,2898.01%

MDaemon (22,521 servers) Version Number of Servers Percent 9.6.25,24423.28% 9.5.61,7167.62% 9.6.11,3816.13% 8.1.31,2485.54% 9.0.41,1234.99% 6.8.57573.36% 9.5.27233.21% 9.5.16843.04% 7.2.36612.94% 7.2.05442.42% 9.0.15282.34% 9.5.55052.24% 9.6.04962.20% 9.5.44802.13% 8.1.44662.07% 9.0.04411.96% 8.0.24221.87% 9.5.33581.59% 8.1.13491.55% 7.1.23021.34% 8.1.53001.33% 8.0.32921.30% 9.0.72771.23% 7.1.02671.19% 7.2.22581.15% 7.2.12451.09% 9.0.62401.07% Other2,2149.83%

MailEnable (21,964 servers) Version Number of Servers Percent 1.981--5,01922.85% 1.96--2,0129.16% 1.95--1,6647.58% 1.9--1,4856.76% 1.8--1,3966.36% 0-2.37-1,3025.93% 1.983--1,1895.41% 0-1.85-1,1355.17% 0-2.38-9964.53% 0--2.375742.61% 0-2.36-5662.58% 0--2.385442.48% 0-1.841-2631.20% Other3,81917.39%

Merak (7,855 servers) Version Number of Servers Percent 8.0.32,08426.53% 8.9.11,42918.19% 8.5.06378.11% 9.0.05597.12% 7.4.53314.21% 8.3.83234.11% 7.5.23184.05% 7.6.42803.56% 7.4.21742.22% 7.2.01321.68% 8.9.01251.59% 8.2.41251.59% 6.2.1941.20% 7.4.0891.13% 8.3.0841.07% Other1,07113.63%

Lotus Domino (7,433 servers) Version Number of Servers Percent 7.0.294812.75% 6.5.45397.25% 7.0.15377.22% 7.0.2FP25267.08% 6.5.14956.66% 6.5.34115.53% 6.5.53704.98% 7.0.2FP13484.68% 7.03424.60% 6.52743.69% 5.0.112112.84% 6.5.22052.76% 8.01582.13% 5.0.121441.94% 5.0.81231.65% 6.5.5FP21221.64% 7.0.1FP11201.61% 5.0.13a1071.44% 5.0.101071.44% 6.0.2CF11011.36% 6.5.4FP2911.22% 6.5.4FP3911.22% 6.0.3811.09% 6.0801.08% 6.5.6761.02% Other82611.11%

Kerio (5,175 servers) Version Number of Servers Percent 6.4.11,40827.21% 6.3.11,05920.46% 6.4.085216.46% 6.3.03346.45% 6.2.21462.82% 6.2.01342.59% 6.1.21292.49% 6.1.31272.45% 6.1.01222.36% 6.0.101072.07% 6.1.4991.91% 6.0.3811.57% 6.1.1621.20% 6.0.8551.06% Other4608.89%

CommuniGate Pro (5,159 servers) Version Number of Servers Percent 4.1.860111.65% 4.2.104188.10% 5.1.123476.73% 5.1.102534.90% 5.1.112534.90% 5.0.92184.23% 5.0.131983.84% 5.1.91683.26% 5.1.71553.00% 5.1.81502.91% 4.3.121262.44% 4.2.81172.27% 4.2.71032.00% 4.21021.98% 4.0.1981.90% 5.0.8961.86% 4.2.9901.74% 5.0.11891.73% 5.1.5871.69% 5.1.3841.63% 4.0.6751.45% 5.1.6731.42% 4.3.8601.16% 5.1.2581.12% 5.1.4561.09% 3.5.9551.07% Other1,02919.95%

WinWebMail (4,565 servers) Version Number of Servers Percent 3.7.3.11,87140.99% 3.7.1.197221.29% 3.6.3.161813.54% 3.7.0.546510.19% 3.7.0.73036.64% 3.7.0.32866.27% Other501.10%

Trend Micro (4,061 servers) Version Number of Servers Percent 5.71,81244.62% 5.51,68441.47% 5.1845111.11% 7.0491.21% Other651.60%

GroupWise (3,443 servers) Version Number of Servers Percent 7.0.291626.60% 7.0.159617.31% 6.5.741111.94% 6.5.42968.60% 6.5.62136.19% 6.0.41975.72% 7.01504.36% 6.5.51464.24% 6.5.11253.63% 6.0.2611.77% 6.5.3561.63% 6.5.2521.51% 6.0.3521.51% 5.5.5441.28% Other1283.72%

ArGoSoft (2,943 servers) Version Number of Servers Percent 1.8 (1.8.9.1)70123.82% 1.8 (1.8.8.8)46915.94% 1.8 (1.8.8.7)33811.48% 1.8 (1.8.9.2)2729.24% 1.8 (1.8.8.9)1765.98% 1.8 (1.8.9.0)1023.47% 1.8 (1.8.8.1)752.55% 1.8 (1.8.8.2)662.24% 1.8 (1.8.6.0)622.11% 1.8 (1.8.8.3)481.63% 1.8 (1.8.7.5)421.43% 1.8 (1.8.5.9)421.43% 1.8 (1.8.8.4)371.26% 1.8 (1.8.8.5)331.12% 1.8 (1.8.8.9 331.12% Other44715.19%

XMail (2,654 servers) Version Number of Servers Percent 1.2291134.33% 1.2457421.63% 1.2138114.36% 1.201726.48% 1.171585.95% 1.231425.35% 1.12903.39% 1.18501.88% 1.16441.66% Other1324.97%

SurgeSMTP (1,844 servers) Version Number of Servers Percent 3.8k4-433818.33% 3.8i3-331417.03% 3.7b8-818910.25% 3.8f3-31447.81% 3.8o-11156.24% 3.8k2-21005.42% 3.6f5-51005.42% 3.8f2-2924.99% 3.5b3-3633.42% 3.0c2-2502.71% 3.7b6-6412.22% 3.8m-1392.11% 3.8i-1301.63% 3.8k-1271.46% 2.0g2-1191.03% Other1839.92%

Qmail Toaster (1,546 servers) Version Number of Servers Percent 1.31,03466.88% 1.241927.10% 1.0936.02% Other00.00%

Gordano Messaging Suite (GMS) (1,197 servers) Version Number of Servers Percent Other1,197100.00%

Post.Office (1,077 servers) Version Number of Servers Percent 3.5.330528.32% 4.0.11009.29% 3.5.3J857.89% 3.8.3666.13% 3.6.3545.01% 3.6.2423.90% 3.9.1393.62% 3.1.2J363.34% 3.1.2292.69% 3.9.2.3292.69% 3.9.2282.60% 3.9.0272.51% 3.8.7.4242.23% 3.8.4232.14% 3.5.2222.04% 4.0.0.2211.95% 3.6.0161.49% 3.8.2141.30% 3.9.2.1131.21% 3.9.1.3131.21% 4.0.0.1131.21% Other787.24%

InterScan VirusWall (924 servers) Version Number of Servers Percent Other924100.00%

NetIQ MailMarshal (897 servers) Version Number of Servers Percent 6.0.3.868075.81% 5.5.6.7525.80% 6.1.3.15444.91% 5.5.4.16212.34% 5.5.6.6212.34% 5.5.6.5202.23% 5.5.5.9161.78% 5.5.5.6121.34% 5.5.4.1791.00% Other222.45%

Interscan (757 servers) Version Number of Servers Percent 3.55 (build 1016)16321.53% 3.81-Build_10228911.76% 3.8-Build_30138010.57% 3.53 (build 2017)638.32% 3.53 (build 2011)607.93% 3.55 (build 1029)537.00% 3.81-Build_1084476.21% 3.53 (build 2013)303.96% 3.52 (build 1375)253.30% 3.53 (build 1493)253.30% 3.55 (build 1020)243.17% 3.8-Build_1080131.72% 3.8-Build_3065101.32% 3.81-Build_105581.06% Other678.85%

VisNetic (564 servers) Version Number of Servers Percent 8.5.0.812421.99% 7.2.4.1386.74% 8.3.5.0366.38% 5.8.6.6356.21% 8.0.3.0335.85% 8.0.3.1335.85% 6.2.2.0305.32% 7.6.1.0274.79% 5.0.2.3254.43% 5.5.8.3234.08% 5.3.5.0183.19% 5.4.5.4152.66% 8.0.3142.48% 8.3.6142.48% 8.5.0.5132.30% 8.9.2.0122.13% 7.5.3.0111.95% 5.0.181.42% 5.8.6.471.24% 7.2.4.061.06% 8.3.0.161.06% Other366.38%

Mirapoint (558 servers) Version Number of Servers Percent 3.8.3-GA10518.82% 3.8.4-GA10318.46% 3.7.5a-GA7212.90% 3.8.5-GA6812.19% 3.8.2-GA5610.04% 3.7.3a-GA346.09% 3.7.4b-GA325.73% 3.7.5-GA173.05% 3.7.2-GA91.61% 3.5.8-GR91.61% 3.7.1-GA81.43% 1.1.071.25% 3.7.3-GA61.08% Other325.73%

ModusMail (271 servers) Version Number of Servers Percent 4.35.480.08531.37% 3.2.315.03211.81% 4.1.361.212810.33% 4.2.425.22248.86% 4.35.477.0228.12% 3.0.273.0124.43% 3.1.297.0114.06% 3.1.302.0103.69% 4.35.480.1193.32% 4.3.459.082.95% 4.2.420.051.85% 4.2.425.441.48% 4.0.340.031.11% 4.1.361.031.11% Other155.54%

WebSTAR V (247 servers) Version Number of Servers Percent 5.4.07831.58% 5.4.16325.51% 5.3.45421.86% 5.3.3218.50% 5.3.2208.10% 5.3.083.24% Other31.21%

Mercury (237 servers) Version Number of Servers Percent 1.4810644.73% 3.328033.76% 3.21c229.28% 1.4493.80% 3.3172.95% 1.4752.11% Other83.38%

Neon Mail Server (185 servers) Version Number of Servers Percent 3.0.96434.59% 3.0.74926.49% 3.1.04021.62% 3.1.2137.03% 3.0.684.32% 3.0.863.24% 3.0.521.08% 3.0.421.08% Other10.54%

MAILsweeper (141 servers) Version Number of Servers Percent 4.3.20.02819.86% 4.3.14.02316.31% 4.3.17.02215.60% 4.3.19.01812.77% 4.3.12.01510.64% 4.2.10.096.38% 4.3.10.074.96% 4.3.6.064.26% 4.2.5.053.55% 4.3.1.042.84% 4.2.1.021.42% Other21.42%

MessageWall (114 servers) Version Number of Servers Percent 1.0.89179.82% 1.0.111714.91% 1.1.032.63% 1.0.632.63% Other00.00%

WebSTAR (102 servers) Version Number of Servers Percent Other102100.00%

OpenVMS (37 servers) Version Number of Servers Percent 7.31540.54% 8.21027.03% 8.3821.62% 7.238.11% 6.112.70% Other00.00%



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