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You are viewing an outdated report published on September 1st, 2007.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


    
Mail (MX) Server Survey
September 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 Queried1,760,582   100.0%
Number of Servers that didn't respond258,10514.66%
    Server didn't open socket248,53214.12%
    Server didn't provide banner9,5730.54%
Server provided banner1,502,47785.34%
Server banner identifies software in use916,33952.05%

As indicated by the above table, of the 1,760,582 servers queried, only 916,339 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
Sendmail264,80228.90%
Microsoft202,07922.05%
Exim184,01820.08%
Postfix135,83914.82%
IMail30,3173.31%
MDaemon22,2512.43%
MailEnable21,2342.32%
Merak8,7340.95%
Lotus Domino7,6170.83%
CommuniGate Pro5,2470.57%
Kerio4,8620.53%
WinWebMail4,5200.49%
Trend Micro4,3850.48%
GroupWise3,5520.39%
ArGoSoft2,9970.33%
XMail2,5530.28%
SurgeSMTP1,8180.20%
Qmail Toaster1,4570.16%
Gordano Messaging Suite (GMS)1,3330.15%
Post.Office1,1030.12%
InterScan VirusWall9930.11%
NetIQ MailMarshal9840.11%
Interscan8370.09%
VisNetic6110.07%
Mirapoint5670.06%
ModusMail4900.05%
Mercury2670.03%
WebSTAR V2590.03%
Neon Mail Server1850.02%
MAILsweeper1660.02%
MessageWall1180.01%
WebSTAR1090.01%
OpenVMS350.00%

Detailed Breakdown of Revisions on a Per-Server Basis

Sendmail (264,802 servers)

Version Number of Servers Percent
8.12.11.2006061444,50316.81%
8.12.11.2006030832,62612.32%
8.11.626,49210.00%
8.13.126,2769.92%
8.13.625,2239.53%
8.12.1018,4146.95%
8.13.814,5845.51%
8.12.1111,2864.26%
8.13.6.2006061410,2023.85%
8.13.49,0473.42%
8.12.88,0793.05%
8.14.17,1242.69%
8.13.76,0552.29%
8.10.24,9431.87%
8.9.34,8271.82%
Other15,1215.71%

Microsoft (202,079 servers)
Version Number of Servers Percent 6.0.3790.183081,40540.28% 6.0.3790.395974,81137.02% 5.0.2195.671326,77113.25% 6.0.3790.21112,1316.00% Other6,9613.44%

Exim (184,018 servers) Version Number of Servers Percent 4.6376,38541.51% 4.6664,89935.27% 4.508,6914.72% 4.607,6744.17% 4.525,0452.74% 4.674,8352.63% 4.623,9622.15% 4.442,2891.24% Other10,2385.56%

Postfix (135,839 servers) Version Number of Servers Percent Other135,839100.00%

IMail (30,317 servers) Version Number of Servers Percent 8.225,81219.17% 8.155,40917.84% 8.053,54011.68% 9.102,7929.21% 9.201,8696.16% 9.211,2544.14% 7.151,2504.12% 7.071,2204.02% 6.069343.08% 8.218312.74% 8.006332.09% 8.104881.61% 8.204391.45% 9.043521.16% 8.123301.09% 8.023171.05% Other2,8479.39%

MDaemon (22,251 servers) Version Number of Servers Percent 9.6.14,14018.61% 9.5.62,38210.71% 8.1.31,3185.92% 9.0.41,1415.13% 9.6.09704.36% 6.8.58093.64% 9.5.17073.18% 9.5.26963.13% 7.2.36923.11% 7.2.05872.64% 9.5.55752.58% 9.5.45662.54% 9.0.15522.48% 8.1.45112.30% 9.0.04722.12% 8.0.24562.05% 9.5.34131.86% 8.1.13721.67% 7.1.23191.43% 9.0.73181.43% 8.1.53091.39% 8.0.32971.33% 7.1.02801.26% 9.0.62791.25% 7.2.22721.22% 7.2.12571.16% 9.6.22531.14% 6.8.42301.03% 8.0.12271.02% Other1,8518.32%

MailEnable (21,234 servers) Version Number of Servers Percent 1.981--4,59321.63% 1.96--2,0979.88% 1.95--1,6867.94% 0-2.37-1,6047.55% 1.9--1,5977.52% 1.8--1,4987.05% 0-1.85-1,0845.11% 0--2.377243.41% 0-2.36-6483.05% 0-2.38-5862.76% 1.983--5102.40% 0--2.384482.11% 0-1.841-2991.41% 0-1.75-2151.01% Other3,64517.17%

Merak (8,734 servers) Version Number of Servers Percent 8.9.12,34726.87% 8.0.32,04123.37% 8.5.07258.30% 8.3.83483.98% 7.4.53423.92% 7.5.23293.77% 7.6.42833.24% 9.0.02052.35% 7.4.21772.03% 8.9.01671.91% 8.2.41431.64% 7.2.01401.60% 6.2.11001.14% 8.3.0951.09% 7.4.0891.02% Other1,20313.77%

Lotus Domino (7,617 servers) Version Number of Servers Percent 7.0.299613.08% 7.0.15867.69% 6.5.45787.59% 6.5.15367.04% 6.5.34245.57% 7.0.2FP14045.30% 6.5.53895.11% 7.03654.79% 7.0.2FP23564.67% 6.52993.93% 6.5.22313.03% 5.0.112293.01% 5.0.121562.05% 6.5.5FP21441.89% 7.0.1FP11401.84% 5.0.81381.81% 5.0.13a1251.64% 5.0.101171.54% 6.0.2CF11061.39% 6.5.4FP2981.29% 6.5.4FP3931.22% 6.0911.19% 6.0.3851.12% Other93112.22%

CommuniGate Pro (5,247 servers) Version Number of Servers Percent 4.1.864812.35% 4.2.104508.58% 5.1.103206.10% 5.0.92444.65% 5.1.92334.44% 5.1.112033.87% 5.1.81913.64% 5.0.131853.53% 5.1.71823.47% 4.3.121272.42% 4.2.81232.34% 4.2.71142.17% 4.21112.12% 5.0.111041.98% 5.0.81031.96% 4.2.9981.87% 4.0.1941.79% 5.1.3911.73% 5.1.5871.66% 4.0.6841.60% 5.1.6821.56% 4.3.8721.37% 5.1.4701.33% 3.5.9621.18% 5.1.2591.12% 5.1.1531.01% Other1,05720.14%

Kerio (4,862 servers) Version Number of Servers Percent 6.3.11,24925.69% 6.4.01,19324.54% 6.4.14018.25% 6.3.03757.71% 6.2.21743.58% 6.1.31473.02% 6.2.01372.82% 6.1.01342.76% 6.1.21332.74% 6.0.101192.45% 6.1.41082.22% 6.0.3781.60% 6.1.1721.48% 6.2.1561.15% 6.0.8531.09% Other4338.91%

WinWebMail (4,520 servers) Version Number of Servers Percent 3.7.3.11,66136.75% 3.7.1.11,03922.99% 3.6.3.166214.65% 3.7.0.548310.69% 3.7.0.73327.35% 3.7.0.32906.42% Other531.17%

Trend Micro (4,385 servers) Version Number of Servers Percent 5.51,94444.33% 5.71,87742.81% 5.1845910.47% 5.15441.00% Other611.39%

GroupWise (3,552 servers) Version Number of Servers Percent 7.0.275621.28% 7.0.169419.54% 6.5.743512.25% 6.5.43229.07% 6.5.62356.62% 6.0.42156.05% 7.01654.65% 6.5.51544.34% 6.5.11383.89% 6.5.3681.91% 6.0.2641.80% 6.5.2611.72% 6.0.3571.60% 5.5.5501.41% 6.0.1371.04% Other1012.84%

ArGoSoft (2,997 servers) Version Number of Servers Percent 1.8 (1.8.9.1)78126.06% 1.8 (1.8.8.8)52117.38% 1.8 (1.8.8.7)39113.05% 1.8 (1.8.8.9)2177.24% 1.8 (1.8.9.0)1314.37% 1.8 (1.8.8.1)822.74% 1.8 (1.8.8.2)662.20% 1.8 (1.8.6.0)642.14% 1.8 (1.8.8.3)571.90% 1.8 (1.8.5.9)431.43% 1.8 (1.8.7.5)421.40% 1.8 (1.8.8.5)421.40% 1.8 (1.8.8.4)381.27% 1.8 (1.8.8.9 361.20% 1.8 (1.8.6.6)301.00% Other45615.22%

XMail (2,553 servers) Version Number of Servers Percent 1.2288734.74% 1.2445117.67% 1.2139415.43% 1.201877.32% 1.171676.54% 1.231465.72% 1.12903.53% 1.18512.00% 1.16411.61% 1.10281.10% Other1114.35%

SurgeSMTP (1,818 servers) Version Number of Servers Percent 3.8i3-370838.94% 3.8f3-31789.79% 3.7b8-81749.57% 3.8f2-21096.00% 3.6f5-51055.78% 3.8i-11045.72% 3.5b3-3683.74% 3.0c2-2563.08% 3.7b6-6452.48% 3.8k-1361.98% 2.0g2-1221.21% 2.1c7-7201.10% Other19310.62%

Qmail Toaster (1,457 servers) Version Number of Servers Percent 1.391762.94% 1.244530.54% 1.0956.52% Other00.00%

Gordano Messaging Suite (GMS) (1,333 servers) Version Number of Servers Percent Other1,333100.00%

Post.Office (1,103 servers) Version Number of Servers Percent 3.5.331328.38% 3.5.3J958.61% 4.0.1908.16% 3.8.3706.35% 3.6.3605.44% 3.6.2443.99% 3.1.2J413.72% 3.9.1383.45% 3.1.2322.90% 3.9.2292.63% 3.9.2.3292.63% 3.9.0262.36% 3.8.4252.27% 3.5.2221.99% 3.8.7.4221.99% 4.0.0.2211.90% 3.6.0161.45% 3.9.1.3141.27% 3.9.2.1121.09% 4.0.0.1121.09% 3.8.2121.09% Other807.25%

InterScan VirusWall (993 servers) Version Number of Servers Percent Other993100.00%

NetIQ MailMarshal (984 servers) Version Number of Servers Percent 6.0.3.874275.41% 6.1.3.15565.69% 5.5.6.7545.49% 5.5.4.16252.54% 5.5.6.6242.44% 5.5.6.5202.03% 5.5.5.9151.52% 5.5.5.6141.42% Other343.46%

Interscan (837 servers) Version Number of Servers Percent 3.55 (build 1016)17220.55% 3.81-Build_102210812.90% 3.8-Build_30138510.16% 3.53 (build 2011)718.48% 3.55 (build 1029)698.24% 3.53 (build 2017)647.65% 3.81-Build_1084485.73% 3.53 (build 2013)344.06% 3.55 (build 1020)293.46% 3.53 (build 1493)283.35% 3.52 (build 1375)263.11% 3.8-Build_1080121.43% 3.8-Build_3065121.43% Other799.44%

VisNetic (611 servers) Version Number of Servers Percent 8.5.0.812620.62% 7.2.4.1498.02% 8.0.3.0426.87% 5.8.6.6396.38% 8.3.5.0386.22% 8.0.3.1345.56% 6.2.2.0335.40% 5.0.2.3325.24% 7.6.1.0304.91% 5.5.8.3274.42% 8.0.3162.62% 5.3.5.0162.62% 8.5.0.5152.45% 8.3.6142.29% 5.4.5.4121.96% 7.5.3.0101.64% 8.3.0.191.47% 5.8.6.481.31% 5.0.181.31% 8.9.2.081.31% 7.2.4.071.15% Other386.22%

Mirapoint (567 servers) Version Number of Servers Percent 3.8.3-GA12121.34% 3.8.4-GA10919.22% 3.7.5a-GA8414.81% 3.8.2-GA6511.46% 3.7.3a-GA396.88% 3.7.4b-GA335.82% 3.7.5-GA183.17% 3.8.5-GA152.65% 3.5.8-GR101.76% 3.7.1-GA91.59% 3.7.2-GA91.59% 1.1.091.59% 3.7.0-GA61.06% 3.7.3-GA61.06% Other346.00%

ModusMail (490 servers) Version Number of Servers Percent 4.35.480.029460.00% 3.2.315.0326.53% 4.1.361.21316.33% 4.2.425.22255.10% 4.35.477.0224.49% 3.1.297.0173.47% 3.0.273.0112.24% 3.1.302.0112.24% 4.35.480.11102.04% 4.2.425.451.02% 4.3.459.051.02% Other275.51%

Mercury (267 servers) Version Number of Servers Percent 1.4811944.57% 3.329635.96% 3.21c207.49% 3.31124.49% 1.44103.75% 1.4751.87% Other51.87%

WebSTAR V (259 servers) Version Number of Servers Percent 5.4.07930.50% 5.4.16725.87% 5.3.45722.01% 5.3.3238.88% 5.3.2207.72% 5.3.093.47% 5.2.431.16% Other10.39%

Neon Mail Server (185 servers) Version Number of Servers Percent 3.0.97440.00% 3.0.75429.19% 3.1.03720.00% 3.0.684.32% 3.0.884.32% 3.0.521.08% 3.0.421.08% Other00.00%

MAILsweeper (166 servers) Version Number of Servers Percent 4.3.20.03420.48% 4.3.12.02515.06% 4.3.17.02414.46% 4.3.14.02313.86% 4.3.19.01911.45% 4.2.10.095.42% 4.3.10.084.82% 4.3.1.063.61% 4.3.6.063.61% 4.2.5.053.01% 4.2.1.042.41% 4.1.2.021.20% Other10.60%

MessageWall (118 servers) Version Number of Servers Percent 1.0.88975.42% 1.0.111714.41% 1.1.2375.93% 1.1.032.54% 1.0.621.69% Other00.00%

WebSTAR (109 servers) Version Number of Servers Percent Other109100.00%

OpenVMS (35 servers) Version Number of Servers Percent 7.31234.29% 8.2925.71% 8.3822.86% 7.2514.29% 6.112.86% Other00.00%



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