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You are viewing an outdated report published on August 1st, 2010. The latest version of this report was published on November 1st, 2014


    
Mail (MX) Server Survey
August 1st, 2010

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 Queried2,124,187   100.0%
Number of Servers that didn't respond351,86516.56%
    Server didn't open socket338,65915.94%
    Server didn't provide banner13,2060.62%
Server provided banner1,772,32283.44%
Server banner identifies software in use972,92845.80%

As indicated by the above table, of the 2,124,187 servers queried, only 972,928 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
Exim337,55634.69%
Postfix206,87221.26%
Microsoft170,61617.54%
Sendmail158,19816.26%
MailEnable30,5183.14%
MDaemon22,4992.31%
IMail13,0161.34%
Lotus Domino5,2710.54%
WinWebMail4,9180.51%
Kerio4,6320.48%
CommuniGate Pro3,8620.40%
Merak2,6570.27%
XMail2,5960.27%
Qmail Toaster1,7400.18%
ArGoSoft1,4440.15%
SurgeSMTP1,4180.15%
GroupWise1,3410.14%
Trend Micro9540.10%
Gordano Messaging Suite (GMS)5780.06%
Post.Office5640.06%
Mirapoint4040.04%
VisNetic2970.03%
InterScan VirusWall2960.03%
NetIQ MailMarshal1650.02%
Interscan1300.01%
Mercury880.01%
WebSTAR V800.01%
Neon Mail Server760.01%
MessageWall340.00%
ModusMail330.00%
WebSTAR290.00%
OpenVMS250.00%
MAILsweeper210.00%

Detailed Breakdown of Revisions on a Per-Server Basis

Exim (337,556 servers)

Version Number of Servers Percent
4.69287,21785.09%
4.6714,2814.23%
4.6312,5393.71%
4.716,4761.92%
Other17,0435.05%

Postfix (206,872 servers)
Version Number of Servers Percent Other206,872100.00%

Microsoft (170,616 servers) Version Number of Servers Percent 6.0.3790.467596,37256.48% 6.0.3790.395954,71032.07% 6.0.3790.183010,7256.29% 5.0.2195.67132,8811.69% 5.0.2195.73812,5161.47% Other3,4122.00%

Sendmail (158,198 servers) Version Number of Servers Percent 8.13.129,94018.93% 8.13.826,83316.96% 8.14.315,1719.59% 8.14.413,7098.67% 8.12.11.2006030812,1037.65% 8.12.11.2006061411,9357.54% 8.13.6.200606146,0473.82% 8.12.105,3853.40% 8.13.65,0243.18% 8.11.65,0093.17% 8.14.24,9923.16% 8.14.13,7412.36% 8.12.113,4252.17% 8.13.42,8111.78% 8.13.72,7741.75% 8.12.82,3431.48% Other6,9564.40%

MailEnable (30,518 servers) Version Number of Servers Percent 1.986--9,67131.69% 1.981--3,16910.38% 1.983--2,0416.69% 3.62--1,2974.25% 0-3.63-8852.90% 4.22--8382.75% 4.23--6312.07% 1.96--5811.90% 1.95--5411.77% 1.9--4561.49% 0-2.53-4501.47% 0-4.22-4421.45% 0-1.87-4271.40% 4.17--3951.29% 0-3.61-3811.25% --3.633741.23% 0-3.6-3531.16% 0-3.14-3281.07% 4.23--4.233251.06% 4.0--3201.05% 0-4.23-3201.05% 4.14--3191.05% Other5,97419.58%

MDaemon (22,499 servers) Version Number of Servers Percent 10.1.22,27310.10% 11.0.32,2489.99% 11.0.21,5286.79% 10.0.01,3485.99% 10.1.11,2505.56% 11.0.01,1625.16% 9.6.18863.94% 9.6.68193.64% 11.0.17693.42% 10.1.07453.31% 10.0.56082.70% 9.6.55872.61% 9.5.25702.53% 10.0.25002.22% 10.0.44942.20% 9.5.14712.09% 9.6.44632.06% 9.6.24471.99% 8.1.34361.94% 9.5.64271.90% 9.0.43791.68% 9.6.32641.17% 9.5.52611.16% 6.8.52571.14% 7.2.32431.08% 9.0.12311.03% Other2,83312.59%

IMail (13,016 servers) Version Number of Servers Percent 8.222,46818.96% 8.151,2959.95% 11.011,0828.31% 9.239527.31% 11.028446.48% 8.056284.82% 10.026184.75% 11.06034.63% 9.204993.83% 9.104933.79% 7.073983.06% 9.213592.76% 7.152902.23% 10.012762.12% 8.002702.07% 6.062561.97% 8.042141.64% 8.211441.11% 8.101411.08% Other1,1869.11%

Lotus Domino (5,271 servers) Version Number of Servers Percent 8.5.162411.84% 8.54428.39% 7.0.23666.94% 8.5.1FP32665.05% 8.0.22394.53% 8.5.1FP22244.25% 7.0.32214.19% 8.0.12063.91% 7.0.11953.70% 6.5.41723.26% 6.5.11633.09% 6.5.31422.69% 7.0.3FP11382.62% 6.5.51212.30% 8.01202.28% 7.0.2FP21162.20% 8.5.1FP11132.14% 7.01132.14% 8.5FP11122.12% 6.5911.73% 5.0.11651.23% 7.0.2FP3541.02% Other96818.36%

WinWebMail (4,918 servers) Version Number of Servers Percent 3.8.0.11,30626.56% 3.7.6.185217.32% 3.7.7.361212.44% 3.7.3.160912.38% 3.8.1.13366.83% 3.7.1.13116.32% 3.7.5.12144.35% 3.7.7.11583.21% 3.6.3.11513.07% 3.7.0.51362.77% 3.7.0.31042.11% 3.7.0.7961.95% Other330.67%

Kerio (4,632 servers) Version Number of Servers Percent 6.7.379417.14% 6.6.251411.10% 6.7.248510.47% 6.7.048510.47% 6.5.02775.98% 6.7.12615.63% 6.5.22485.35% 6.4.12034.38% 6.3.11964.23% 6.6.01483.20% 6.5.11413.04% 6.4.01393.00% 6.4.21112.40% 6.6.11032.22% 6.3.0831.79% Other4449.59%

CommuniGate Pro (3,862 servers) Version Number of Servers Percent 5.1.162386.16% 4.1.82175.62% 5.2.162025.23% 5.3.71634.22% 4.2.101513.91% 5.3.81513.91% 5.2.191112.87% 5.2.141052.72% 5.3.51022.64% 5.1.12952.46% 5.2.3932.41% 5.2.12912.36% 5.3.2832.15% 5.2.8822.12% 5.0.14802.07% 5.1.13761.97% 5.2.13711.84% 5.2.18681.76% 5.2.10681.76% 5.2.20561.45% 5.1.14551.42% 5.2.9521.35% 5.2.11501.29% 5.3.4481.24% 5.1.9471.22% 5.2.0451.17% 5.0.9451.17% 5.2.6421.09% 5.2.17401.04% Other1,13529.39%

Merak (2,657 servers) Version Number of Servers Percent 8.0.31,12442.30% 8.9.12609.79% 8.5.01616.06% 7.4.51345.04% 7.5.21204.52% 7.6.41074.03% 8.3.81023.84% 7.4.2461.73% 8.2.13441.66% 9.0.0361.35% 7.2.0331.24% 7.6.1321.20% 8.3.15291.09% 8.2.4291.09% 7.0.1281.05% 8.9.0271.02% Other34512.98%

XMail (2,596 servers) Version Number of Servers Percent 1.2564324.77% 1.2261823.81% 1.2635013.48% 1.2434013.10% 1.271475.66% 1.211405.39% 1.23702.70% 1.20672.58% 1.17622.39% 1.12501.93% Other1094.20%

Qmail Toaster (1,740 servers) Version Number of Servers Percent 1.31,59291.49% 1.21106.32% 1.0281.61% Other100.57%

ArGoSoft (1,444 servers) Version Number of Servers Percent 1.8 (1.8.9.6)27418.98% 1.8 (1.8.9.5)24216.76% 1.8 (1.8.9.3)18512.81% 1.8 (1.8.9.1)1319.07% 1.8 (1.8.8.8)1117.69% 1.8 (1.8.8.7)896.16% 1.8 (1.8.9.2)584.02% 1.8 (1.8.9.4)443.05% 1.8 (1.8.8.9)322.22% 1.8 (1.8.8.1)312.15% 1.8 (1.8.9.0)251.73% 1.8 (1.8.6.0)201.39% Other20213.99%

SurgeSMTP (1,418 servers) Version Number of Servers Percent 4.2d4-418613.12% 3.9e-115310.79% 4.3e-11319.24% 4.3g2-21268.89% 4.3g-1896.28% 4.2d2-2825.78% 3.8k4-4825.78% 4.0u4-4805.64% 3.8i3-3352.47% 4.2a3-3332.33% 3.7b8-8312.19% 3.8f3-3271.90% 3.6f5-5271.90% 4.3g4-4261.83% 3.9c-1251.76% 3.8f2-2181.27% 5.0e-1151.06% 3.9g2-2151.06% Other23716.71%

GroupWise (1,341 servers) Version Number of Servers Percent 7.0.337928.26% 8.0.119314.39% 6.5.716112.01% 7.0.215311.41% 7.0.1765.67% 6.5.4765.67% 6.5.6523.88% 8.0.0453.36% 6.0.4413.06% 6.5.1362.68% 7.0.4211.57% 6.5.5201.49% 7.0151.12% Other735.44%

Trend Micro (954 servers) Version Number of Servers Percent 5.743245.28% 5.527028.30% 5.1814615.30% 7.0737.65% 7141.47% Other191.99%

Gordano Messaging Suite (GMS) (578 servers) Version Number of Servers Percent Other578100.00%

Post.Office (564 servers) Version Number of Servers Percent 3.5.39316.49% 4.1.0.26812.06% 4.0.1478.33% 3.5.3J376.56% 4.1.1325.67% 3.8.3274.79% 4.1.0.4193.37% 3.9.2.3173.01% 3.1.2J173.01% 3.9.1152.66% 3.6.3142.48% 3.6.2132.30% 3.9.2122.13% 3.1.2111.95% 4.0.0.2101.77% 3.8.7.4101.77% 4.0.1.1101.77% 3.9.0101.77% 4.191.60% 4.1.0.391.60% 4.0.0.191.60% 3.9.2.181.42% 3.5.281.42% 3.9.1.261.06% Other539.40%

Mirapoint (404 servers) Version Number of Servers Percent 3.8.4-GA4410.89% 3.10.8-GA358.66% 3.10.5-GA358.66% 3.8.3-GA307.43% 3.10.7-GA297.18% 3.10.9-GA286.93% 3.10.4-GA235.69% 4.1.9-GA184.46% 4.1.3-GA174.21% 4.1.8-GA174.21% 3.10.6-GA153.71% 3.10.3-GA133.22% 3.8.7a112.72% 4.1.4-GA92.23% 3.8.2-GA92.23% 3.8.5-GA81.98% 3.8.6-GA81.98% 4.1.5-GA81.98% 3.10.2-GA71.73% 4.0.5a61.49% 3.7.5a-GA61.49% 3.7.3a-GA51.24% Other235.69%

VisNetic (297 servers) Version Number of Servers Percent 9.3.2.010635.69% 9.1.4.14314.48% 5.8.6.6165.39% 8.5.0.8144.71% 5.5.8.3113.70% 8.0.3.1103.37% 7.6.1.093.03% 6.2.2.082.69% 8.0.3.082.69% 5.3.5.062.02% 9.1.4.062.02% 8.0.362.02% 8.3.5.062.02% 8.3.662.02% 7.2.4.151.68% 5.4.5.451.68% 5.0.2.341.35% 7.2.4.041.35% 7.5.3.031.01% 5.8.6.431.01% Other186.06%

InterScan VirusWall (296 servers) Version Number of Servers Percent Other296100.00%

NetIQ MailMarshal (165 servers) Version Number of Servers Percent 6.0.3.812173.33% 5.5.6.7137.88% 6.1.3.15127.27% 5.5.4.1642.42% 5.5.6.642.42% 5.5.6.531.82% 5.5.3.1721.21% Other63.64%

Interscan (130 servers) Version Number of Servers Percent 3.81-Build_10222015.38% 3.55 (build 1016)2015.38% 3.53 (build 2017)1612.31% 3.55 (build 1029)1511.54% 3.81-Build_1084107.69% 3.8-Build_301396.92% 3.55 (build 1020)64.62% 3.53 (build 2011)64.62% 3.53 (build 1493)64.62% 3.52 (build 1375)43.08% 3.53 (build 2013)32.31% 3.8-Build_108021.54% 3.53 (build 1494)21.54% Other118.46%

Mercury (88 servers) Version Number of Servers Percent 1.484753.41% 3.322326.14% 3.21c89.09% 3.01a22.27% 3.3022.27% 1.4722.27% 1.4911.14% 1.4411.14% 3.2111.14% 3.3111.14% Other00.00%

WebSTAR V (80 servers) Version Number of Servers Percent 5.4.12632.50% 5.4.02126.25% 5.3.41822.50% 5.3.278.75% 5.3.356.25% 5.3.111.25% 5.2.311.25% 5.3.011.25% Other00.00%

Neon Mail Server (76 servers) Version Number of Servers Percent 3.1.31925.00% 3.0.71621.05% 3.0.91114.47% 3.1.41013.16% 3.1.279.21% 3.1.045.26% 3.1.545.26% 3.1.133.95% 3.0.611.32% 3.0.811.32% Other00.00%

MessageWall (34 servers) Version Number of Servers Percent 1.0.83191.18% 1.1.012.94% 1.0.1112.94% 1.0.612.94% Other00.00%

ModusMail (33 servers) Version Number of Servers Percent 4.35.477.0927.27% 4.2.420.0515.15% 4.35.480.0515.15% 3.1.293.126.06% 3.1.302.026.06% 4.1.361.2126.06% 4.35.480.1126.06% 3.2.315.026.06% 4.35.477.813.03% 4.0.340.313.03% 4.2.425.2213.03% 4.3.459.013.03% Other00.00%

WebSTAR (29 servers) Version Number of Servers Percent Other29100.00%

OpenVMS (25 servers) Version Number of Servers Percent 8.31560.00% 7.3624.00% 8.228.00% 7.214.00% 6.114.00% Other00.00%

MAILsweeper (21 servers) Version Number of Servers Percent 4.3.20.0628.57% 4.3.6.0419.05% 4.3.17.0419.05% 4.3.14.0314.29% 4.2.5.014.76% 4.3.1.014.76% 4.3.19.014.76% 4.3.10.014.76% Other00.00%



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