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You are viewing an outdated report published on April 1st, 2010.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


    
Mail (MX) Server Survey
April 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 Queried2,069,274   100.0%
Number of Servers that didn't respond334,02216.14%
    Server didn't open socket320,81415.50%
    Server didn't provide banner13,2080.64%
Server provided banner1,735,25283.86%
Server banner identifies software in use960,14746.40%

As indicated by the above table, of the 2,069,274 servers queried, only 960,147 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
Exim310,61432.35%
Postfix197,00320.52%
Microsoft180,19818.77%
Sendmail167,67217.46%
MailEnable29,9223.12%
MDaemon22,9472.39%
IMail14,0721.47%
Kerio6,7760.71%
Lotus Domino5,5700.58%
WinWebMail5,0930.53%
CommuniGate Pro4,0070.42%
Merak2,9930.31%
XMail2,6500.28%
Qmail Toaster1,8330.19%
ArGoSoft1,5710.16%
GroupWise1,5210.16%
SurgeSMTP1,4520.15%
Trend Micro1,1260.12%
Gordano Messaging Suite (GMS)6170.06%
Post.Office5970.06%
Mirapoint4130.04%
VisNetic3460.04%
InterScan VirusWall3430.04%
NetIQ MailMarshal1960.02%
Interscan1520.02%
Mercury1030.01%
WebSTAR V890.01%
Neon Mail Server860.01%
MessageWall480.00%
ModusMail470.00%
WebSTAR360.00%
MAILsweeper280.00%
OpenVMS260.00%

Detailed Breakdown of Revisions on a Per-Server Basis

Exim (310,614 servers)

Version Number of Servers Percent
4.69261,34684.14%
4.6713,9294.48%
4.6313,7764.44%
4.714,7841.54%
4.663,2041.03%
Other13,5754.37%

Postfix (197,003 servers)
Version Number of Servers Percent Other197,003100.00%

Microsoft (180,198 servers) Version Number of Servers Percent 6.0.3790.3959156,37686.78% 6.0.3790.183013,4667.47% 5.0.2195.67136,6243.68% Other3,7322.07%

Sendmail (167,672 servers) Version Number of Servers Percent 8.13.133,79820.16% 8.13.825,42615.16% 8.14.315,2189.08% 8.12.11.2006061414,5748.69% 8.12.11.2006030813,5748.10% 8.13.6.2006061410,2436.11% 8.13.67,5884.53% 8.12.106,1573.67% 8.11.65,7943.46% 8.14.25,2173.11% 8.14.44,6312.76% 8.12.114,2052.51% 8.14.14,0362.41% 8.13.43,2221.92% 8.13.73,0721.83% 8.12.82,7321.63% 8.9.31,6821.00% Other6,5033.88%

MailEnable (29,922 servers) Version Number of Servers Percent 1.986--8,69429.06% 1.981--3,69612.35% 1.983--2,3487.85% 3.62--1,5485.17% 0-3.63-7572.53% 1.96--6992.34% 1.95--6752.26% 1.9--5421.81% 0-3.61-4611.54% 0-3.6-4501.50% 4.17--4391.47% 0-1.87-4341.45% 0-2.53-4141.38% --3.634011.34% 4.0--3971.33% 0-3.14-3671.23% 0-3.62-3601.20% 1.8--3551.19% 0-2.37-3111.04% 4.22--3001.00% Other6,27420.97%

MDaemon (22,947 servers) Version Number of Servers Percent 10.1.25,94525.91% 10.1.11,7917.80% 10.0.01,4646.38% 9.6.11,0194.44% 9.6.69093.96% 10.1.08693.79% 10.0.58263.60% 9.6.56812.97% 9.5.26402.79% 10.0.46332.76% 10.0.25602.44% 9.6.45302.31% 9.5.15262.29% 8.1.35112.23% 9.5.64782.08% 9.6.24782.08% 9.0.44411.92% 9.6.32921.27% 7.2.32881.26% 6.8.52861.25% 9.0.12631.15% 9.5.52591.13% 7.2.02331.02% Other3,02513.18%

IMail (14,072 servers) Version Number of Servers Percent 8.222,65818.89% 8.151,3669.71% 11.011,2568.93% 9.231,0537.48% 11.09496.74% 10.028666.15% 8.057145.07% 9.105513.92% 9.205153.66% 7.074983.54% 10.014683.33% 9.213912.78% 7.153412.42% 6.063002.13% 8.002591.84% 8.041951.39% 8.101741.24% 8.211701.21% 9.221481.05% 8.011471.04% Other1,0537.48%

Kerio (6,776 servers) Version Number of Servers Percent 6.7.31,63024.06% 6.7.290813.40% 6.7.069210.21% 6.6.268610.12% 6.7.14096.04% 6.5.03244.78% 6.5.23174.68% 6.4.12403.54% 6.3.12263.34% 6.5.11752.58% 6.6.01722.54% 6.4.01612.38% 6.6.11251.84% 6.4.21221.80% 6.3.0961.42% Other4937.28%

Lotus Domino (5,570 servers) Version Number of Servers Percent 8.5.166511.94% 8.55209.34% 7.0.24237.59% 8.0.22795.01% 7.0.32574.61% 8.0.12504.49% 7.0.12284.09% 6.5.42043.66% 6.5.11913.43% 8.5.1FP11913.43% 6.5.31622.91% 7.0.2FP21622.91% 7.0.3FP11522.73% 8.5FP11372.46% 6.5.51342.41% 8.01342.41% 7.01302.33% 6.51212.17% 5.0.11761.36% 7.0.2FP3671.20% 6.5.2601.08% 7.0.2FP1561.01% Other97117.43%

WinWebMail (5,093 servers) Version Number of Servers Percent 3.8.0.11,38627.21% 3.7.6.193418.34% 3.7.3.169513.65% 3.7.7.369013.55% 3.7.1.13677.21% 3.7.5.12454.81% 3.6.3.11773.48% 3.7.7.11703.34% 3.7.0.51603.14% 3.7.0.31182.32% 3.7.0.71122.20% Other390.77%

CommuniGate Pro (4,007 servers) Version Number of Servers Percent 5.2.162556.36% 4.1.82466.14% 5.1.131774.42% 5.3.21684.19% 4.2.101624.04% 5.2.141403.49% 5.1.161393.47% 5.2.191253.12% 5.2.121182.94% 5.3.31132.82% 5.1.121042.60% 5.2.131042.60% 5.2.31022.55% 5.2.8962.40% 5.2.18962.40% 5.2.10781.95% 5.0.14761.90% 5.2.17671.67% 5.2.11641.60% 5.1.14601.50% 5.0.9571.42% 5.2.9571.42% 5.2.6551.37% 5.3.1511.27% 5.1.9501.25% 5.2.15451.12% 4.2.8441.10% 5.2.0431.07% 4.2.9411.02% Other1,07426.80%

Merak (2,993 servers) Version Number of Servers Percent 8.0.31,25441.90% 8.9.12899.66% 8.5.01795.98% 7.4.51505.01% 7.5.21404.68% 7.6.41254.18% 8.3.81163.88% 7.4.2541.80% 8.2.13451.50% 9.0.0431.44% 7.2.0411.37% 7.6.1361.20% 8.3.15341.14% 8.2.4331.10% 8.9.0311.04% 6.2.1301.00% 7.0.1301.00% Other36312.13%

XMail (2,650 servers) Version Number of Servers Percent 1.2570526.60% 1.2265324.64% 1.2438114.38% 1.2634713.09% 1.211616.08% 1.23792.98% 1.20722.72% 1.17622.34% 1.12562.11% Other1345.06%

Qmail Toaster (1,833 servers) Version Number of Servers Percent 1.31,65190.07% 1.21437.80% 1.0271.47% Other120.65%

ArGoSoft (1,571 servers) Version Number of Servers Percent 1.8 (1.8.9.5)28418.08% 1.8 (1.8.9.6)26316.74% 1.8 (1.8.9.3)21213.49% 1.8 (1.8.9.1)1408.91% 1.8 (1.8.8.8)1257.96% 1.8 (1.8.8.7)1016.43% 1.8 (1.8.9.2)664.20% 1.8 (1.8.9.4)432.74% 1.8 (1.8.8.9)372.36% 1.8 (1.8.8.1)322.04% 1.8 (1.8.9.0)261.65% 1.8 (1.8.6.0)251.59% Other21713.81%

GroupWise (1,521 servers) Version Number of Servers Percent 7.0.347531.23% 7.0.218111.90% 6.5.717311.37% 8.0.116110.59% 7.0.11016.64% 6.5.4865.65% 8.0.0734.80% 6.5.6593.88% 6.0.4503.29% 6.5.1422.76% 6.5.5261.71% 7.0201.31% Other744.87%

SurgeSMTP (1,452 servers) Version Number of Servers Percent 4.2d2-224116.60% 3.9e-122015.15% 4.2d4-416511.36% 4.2a3-31298.88% 4.0u4-41087.44% 3.8k4-4936.40% 3.8i3-3382.62% 3.7b8-8372.55% 3.8f3-3332.27% 3.9c-1312.13% 3.9h-65281.93% 3.6f5-5281.93% 3.5b3-3221.52% 3.9g2-2211.45% 3.8f2-2201.38% Other23816.39%

Trend Micro (1,126 servers) Version Number of Servers Percent 5.752546.63% 5.532128.51% 5.1816915.01% 7.0847.46% 7121.07% Other151.33%

Gordano Messaging Suite (GMS) (617 servers) Version Number of Servers Percent Other617100.00%

Post.Office (597 servers) Version Number of Servers Percent 3.5.310617.76% 4.1.0.26811.39% 4.0.1518.54% 3.5.3J447.37% 3.8.3264.36% 4.1.0.4203.35% 3.9.2.3193.18% 4.1.1193.18% 3.1.2J183.02% 3.6.3172.85% 3.9.1162.68% 3.9.2152.51% 3.6.2142.35% 3.8.7.4132.18% 4.1122.01% 3.1.2111.84% 4.0.0.2111.84% 4.0.0.1101.68% 3.8.491.51% 4.1.0.391.51% 3.9.091.51% 4.0.1.181.34% 3.9.2.181.34% 3.9.1.371.17% 3.9.1.271.17% 3.5.271.17% Other437.20%

Mirapoint (413 servers) Version Number of Servers Percent 3.10.8-GA4510.90% 3.8.3-GA4410.65% 3.8.4-GA4410.65% 3.10.7-GA399.44% 3.10.5-GA389.20% 3.10.4-GA235.57% 4.1.8-GA225.33% 3.10.6-GA163.87% 4.1.3-GA153.63% 3.10.3-GA143.39% 3.8.6-GA122.91% 4.1.4-GA102.42% 3.8.2-GA92.18% 3.8.7a92.18% 3.7.5a-GA81.94% 4.1.7a-GA71.69% 3.8.5-GA71.69% 4.1.5-GA71.69% 4.0.5a61.45% 3.10.2-GA61.45% 3.7.3a-GA51.21% 3.7.4b-GA51.21% 4.1.6-GA51.21% Other174.12%

VisNetic (346 servers) Version Number of Servers Percent 9.3.2.013037.57% 9.1.4.14312.43% 5.8.6.6195.49% 8.5.0.8144.05% 5.5.8.3113.18% 6.2.2.0113.18% 8.0.3.1102.89% 9.1.4.092.60% 8.0.3.082.31% 8.3.5.082.31% 7.6.1.082.31% 5.4.5.482.31% 5.0.2.372.02% 8.3.672.02% 7.2.4.172.02% 8.0.361.73% 5.3.5.061.73% 7.2.4.041.16% Other308.67%

InterScan VirusWall (343 servers) Version Number of Servers Percent Other343100.00%

NetIQ MailMarshal (196 servers) Version Number of Servers Percent 6.0.3.814674.49% 6.1.3.15147.14% 5.5.6.7136.63% 5.5.6.542.04% 5.5.6.642.04% 5.5.4.1642.04% 5.5.3.1721.02% 5.5.5.621.02% 5.5.4.1721.02% Other52.55%

Interscan (152 servers) Version Number of Servers Percent 3.55 (build 1016)2617.11% 3.81-Build_10221912.50% 3.55 (build 1029)1912.50% 3.53 (build 2017)1711.18% 3.81-Build_1084127.89% 3.53 (build 1493)95.92% 3.8-Build_301395.92% 3.53 (build 2011)74.61% 3.55 (build 1020)74.61% 3.53 (build 2013)63.95% 3.52 (build 1375)31.97% 3.53 (build 1494)21.32% 3.8-Build_108021.32% 3.81-Build_105521.32% Other127.89%

Mercury (103 servers) Version Number of Servers Percent 1.485452.43% 3.322827.18% 3.21c87.77% 1.4732.91% 1.4921.94% 3.2121.94% 3.01a21.94% 1.4421.94% Other21.94%

WebSTAR V (89 servers) Version Number of Servers Percent 5.4.12932.58% 5.4.02528.09% 5.3.41921.35% 5.3.277.87% 5.3.366.74% 5.3.111.12% 5.2.311.12% 5.3.011.12% Other00.00%

Neon Mail Server (86 servers) Version Number of Servers Percent 3.1.32124.42% 3.0.71820.93% 3.0.91112.79% 3.1.41011.63% 3.1.2910.47% 3.1.078.14% 3.1.544.65% 3.1.122.33% 3.0.822.33% 3.0.511.16% 3.0.611.16% Other00.00%

MessageWall (48 servers) Version Number of Servers Percent 1.0.83164.58% 1.0.111531.25% 1.1.012.08% 1.0.612.08% Other00.00%

ModusMail (47 servers) Version Number of Servers Percent 4.35.477.01021.28% 3.2.315.0919.15% 4.35.480.0714.89% 3.1.302.0510.64% 4.2.420.0510.64% 4.1.361.2124.26% 3.1.293.124.26% 4.35.480.1124.26% 4.35.477.812.13% 4.3.459.012.13% 4.0.340.312.13% 4.2.425.2212.13% 4.1.361.012.13% Other00.00%

WebSTAR (36 servers) Version Number of Servers Percent Other36100.00%

MAILsweeper (28 servers) Version Number of Servers Percent 4.3.20.0725.00% 4.3.14.0517.86% 4.3.1.0414.29% 4.3.17.0310.71% 4.3.6.0310.71% 4.2.10.027.14% 4.2.5.013.57% 4.3.19.013.57% 4.3.10.013.57% 4.3.12.013.57% Other00.00%

OpenVMS (26 servers) Version Number of Servers Percent 8.31661.54% 7.3726.92% 8.227.69% 7.213.85% Other00.00%



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