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You are viewing an outdated report. The latest version of this report was published on March 1st, 2019


    
Mail (MX) Server Survey
February 1st, 2011

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 Queried1,273,695   100.0%
Number of Servers that didn't respond204,95116.09%
    Server didn't open socket197,70815.52%
    Server didn't provide banner7,2430.57%
Server provided banner1,068,74483.91%
Server banner identifies software in use583,26745.79%

As indicated by the above table, of the 1,273,695 servers queried, only 583,267 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
Exim221,22237.93%
Postfix128,91022.10%
Microsoft93,01515.95%
Sendmail84,38614.47%
MailEnable18,5663.18%
MDaemon12,9662.22%
IMail6,6341.14%
Lotus Domino3,0510.52%
WinWebMail2,6500.45%
CommuniGate Pro2,0620.35%
Kerio1,9710.34%
XMail1,4970.26%
Merak1,3140.23%
Qmail Toaster1,0390.18%
ArGoSoft7560.13%
SurgeSMTP7370.13%
GroupWise6520.11%
Trend Micro4290.07%
Post.Office3080.05%
Gordano Messaging Suite (GMS)2710.05%
Mirapoint1820.03%
InterScan VirusWall1690.03%
VisNetic1640.03%
NetIQ MailMarshal730.01%
Interscan550.01%
Mercury520.01%
Neon Mail Server390.01%
WebSTAR V350.01%
OpenVMS150.00%
WebSTAR140.00%
ModusMail140.00%
MessageWall120.00%
MAILsweeper70.00%

Detailed Breakdown of Revisions on a Per-Server Basis

Exim (221,222 servers)

Version Number of Servers Percent
4.69188,03585.00%
4.7210,2424.63%
4.677,5173.40%
4.636,4122.90%
4.712,7961.26%
Other6,2202.81%

Postfix (128,910 servers)

Version Number of Servers Percent
Other128,910100.00%

Microsoft (93,015 servers)

Version Number of Servers Percent
6.0.3790.467564,73069.59%
6.0.3790.395919,15420.59%
6.0.3790.18304,8005.16%
5.0.2195.73811,3561.46%
5.0.2195.67131,0251.10%
Other1,9502.10%

Sendmail (84,386 servers)

Version Number of Servers Percent
8.13.817,16420.34%
8.13.115,96318.92%
8.14.49,74011.54%
8.14.38,63510.23%
8.12.11.200603084,9445.86%
8.12.11.200606144,8515.75%
8.13.6.200606143,2313.83%
8.14.22,5793.06%
8.12.102,5553.03%
8.11.62,3472.78%
8.13.62,0112.38%
8.14.11,8452.19%
8.12.111,4231.69%
8.13.71,3751.63%
8.13.41,2781.51%
8.12.81,1711.39%
Other3,2743.88%

MailEnable (18,566 servers)

Version Number of Servers Percent
1.986--6,24233.62%
1.981--1,5788.50%
1.983--9315.01%
4.26--6823.67%
3.62--6423.46%
0-3.63-5142.77%
4.23--4962.67%
4.22--4362.35%
0-4.26-3832.06%
0-2.53-2851.54%
1.96--2821.52%
1.95--2661.43%
0-1.87-2401.29%
--3.632381.28%
4.26--4.262301.24%
4.14--2041.10%
0-4.23-2031.09%
0-3.61-2001.08%
1.9--1971.06%
Other4,31723.25%

MDaemon (12,966 servers)

Version Number of Servers Percent
11.0.33,69228.47%
10.1.29107.02%
10.0.06835.27%
11.0.06204.78%
10.1.15924.57%
9.6.14363.36%
9.6.64213.25%
10.1.03772.91%
9.5.23032.34%
9.6.53012.32%
10.0.52922.25%
11.0.22692.07%
10.0.22692.07%
9.5.12391.84%
9.5.62321.79%
9.6.22301.77%
10.0.42161.67%
8.1.32121.64%
9.6.42081.60%
11.0.11871.44%
9.0.41791.38%
6.8.51391.07%
9.6.31381.06%
Other1,82114.04%

IMail (6,634 servers)

Version Number of Servers Percent
8.221,26018.99%
11.026359.57%
8.155267.93%
9.234536.83%
11.013615.44%
9.103515.29%
11.033154.75%
8.052944.43%
9.202814.24%
10.022413.63%
11.02183.29%
9.212083.14%
7.072033.06%
7.151402.11%
8.001311.97%
6.061291.94%
8.041061.60%
10.01941.42%
8.21741.12%
10.0711.07%
Other5438.19%

Lotus Domino (3,051 servers)

Version Number of Servers Percent
8.5.236511.96%
8.5.12879.41%
8.52197.18%
7.0.22006.56%
7.0.31213.97%
7.0.11123.67%
8.0.11043.41%
8.5.1FP31043.41%
8.0.2963.15%
6.5.1872.85%
6.5.4772.52%
6.5.3712.33%
8.5.1FP4702.29%
6.5.5672.20%
8.5.1FP2662.16%
7.0612.00%
8.0561.84%
7.0.2FP2551.80%
7.0.3FP1521.70%
8.5.1FP1501.64%
8.5.2FP1431.41%
8.5.1FP5421.38%
5.0.11411.34%
6.5401.31%
8.5FP1371.21%
Other52817.31%

WinWebMail (2,650 servers)

Version Number of Servers Percent
3.8.0.159422.42%
3.7.6.141015.47%
3.7.7.331011.70%
3.7.3.129311.06%
3.8.1.128410.72%
3.8.1.32148.08%
3.7.1.11415.32%
3.7.5.1953.58%
3.6.3.1712.68%
3.7.7.1652.45%
3.7.0.3572.15%
3.7.0.5532.00%
3.7.0.7451.70%
Other180.68%

CommuniGate Pro (2,062 servers)

Version Number of Servers Percent
4.1.81336.45%
5.1.161296.26%
5.3.10944.56%
5.3.8884.27%
5.3.9834.03%
5.3.11813.93%
5.2.16803.88%
4.2.10693.35%
5.2.19512.47%
5.2.3472.28%
5.2.12462.23%
5.2.20442.13%
5.1.12432.09%
5.2.14422.04%
5.1.13422.04%
5.3.7391.89%
5.2.8391.89%
5.2.13331.60%
5.2.18311.50%
5.0.14311.50%
5.3.5301.45%
5.3.2301.45%
5.1.14281.36%
5.2.10271.31%
4.2.9241.16%
5.2.11231.12%
4.2.8231.12%
5.0.9221.07%
5.2.6211.02%
5.2.0211.02%
Other56827.55%

Kerio (1,971 servers)

Version Number of Servers Percent
6.7.328214.31%
6.6.222711.52%
6.7.01809.13%
6.7.21628.22%
6.5.01336.75%
6.5.21115.63%
6.3.11065.38%
6.4.11045.28%
6.7.1934.72%
6.6.0804.06%
6.4.0773.91%
6.5.1683.45%
6.4.2462.33%
6.6.1442.23%
6.3.0432.18%
6.2.0221.12%
6.1.3201.01%
Other1738.78%

XMail (1,497 servers)

Version Number of Servers Percent
1.2236724.52%
1.2533422.31%
1.2620013.36%
1.2419713.16%
1.271439.55%
1.21694.61%
1.23372.47%
1.20352.34%
1.17332.20%
1.12261.74%
Other563.74%

Merak (1,314 servers)

Version Number of Servers Percent
8.0.352940.26%
8.9.113710.43%
8.5.0866.54%
8.3.8604.57%
7.6.4594.49%
7.4.5584.41%
7.5.2564.26%
8.2.13272.05%
9.0.0221.67%
8.2.4211.60%
7.6.1181.37%
7.0.1181.37%
7.2.0171.29%
6.2.1161.22%
Other19014.46%

Qmail Toaster (1,039 servers)

Version Number of Servers Percent
1.396292.59%
1.2615.87%
Other161.54%

ArGoSoft (756 servers)

Version Number of Servers Percent
1.8 (1.8.9.6)16121.30%
1.8 (1.8.9.5)11114.68%
1.8 (1.8.9.3)9712.83%
1.8 (1.8.9.1)7810.32%
1.8 (1.8.8.8)628.20%
1.8 (1.8.8.7)435.69%
1.8 (1.8.9.2)324.23%
1.8 (1.8.9.4)263.44%
1.8 (1.8.8.9)162.12%
1.8 (1.8.9.0)131.72%
1.8 (1.8.8.1)111.46%
1.8 (1.8.6.0)101.32%
Other9612.70%

SurgeSMTP (737 servers)

Version Number of Servers Percent
5.0e4-412817.37%
3.9e-18311.26%
4.2d4-4527.06%
5.1c2-2344.61%
4.0u4-4334.48%
4.3g2-2314.21%
5.0e3-3304.07%
3.8k4-4304.07%
5.1c-1243.26%
4.2d2-2233.12%
4.3e-1222.99%
4.3g4-4222.99%
3.8i3-3202.71%
4.2a3-3141.90%
3.8f3-3131.76%
3.9h-18121.63%
3.6f5-5121.63%
3.9c-1111.49%
3.9g2-2111.49%
3.8f2-2111.49%
3.7b8-8101.36%
5.2a-191.22%
Other10213.84%

GroupWise (652 servers)

Version Number of Servers Percent
7.0.315023.01%
6.5.78513.04%
8.0.27110.89%
7.0.2649.82%
8.0.1477.21%
7.0.1345.21%
6.5.4335.06%
7.0.4304.60%
6.5.6284.29%
6.5.1243.68%
6.0.4233.53%
8.0.0182.76%
7.0111.69%
6.5.5101.53%
Other243.68%

Trend Micro (429 servers)

Version Number of Servers Percent
5.719344.99%
5.511226.11%
5.187617.72%
7.0327.46%
7.1102.33%
Other61.40%

Post.Office (308 servers)

Version Number of Servers Percent
3.5.35116.56%
4.1.0.23210.39%
4.0.1237.47%
3.5.3J185.84%
4.1.1175.52%
4.1.0.4144.55%
3.8.3113.57%
3.9.2.3103.25%
3.1.2J103.25%
3.9.2103.25%
4.1.0.382.60%
4.0.1.172.27%
3.9.172.27%
4.161.95%
3.9.2.151.62%
3.8.7.451.62%
3.6.251.62%
4.0.0.251.62%
3.6.351.62%
4.0.0.151.62%
3.9.1.251.62%
3.1.241.30%
4.1.2.341.30%
3.9.2.241.30%
4.1.241.30%
4.1.2.241.30%
Other299.42%

Gordano Messaging Suite (GMS) (271 servers)

Version Number of Servers Percent
Other271100.00%

Mirapoint (182 servers)

Version Number of Servers Percent
3.10.8-GA2111.54%
3.8.4-GA2010.99%
3.10.7-GA158.24%
3.8.3-GA158.24%
3.10.5-GA147.69%
3.10.9-GA147.69%
4.1.3-GA94.95%
4.1.9-GA94.95%
3.10.10a-GA73.85%
3.10.4-GA63.30%
3.10.3-GA63.30%
4.1.10-GA63.30%
3.7.5a-GA52.75%
4.2.3-GA42.20%
3.10.6-GA42.20%
3.8.5-GA42.20%
4.1.4-GA31.65%
4.1.8-GA31.65%
3.8.6-GA21.10%
3.8.2-GA21.10%
4.1.7a-GA21.10%
4.0.5a21.10%
Other94.95%

InterScan VirusWall (169 servers)

Version Number of Servers Percent
Other169100.00%

VisNetic (164 servers)

Version Number of Servers Percent
9.3.2.06137.20%
9.1.4.12213.41%
5.8.6.695.49%
8.5.0.895.49%
5.5.8.374.27%
8.0.3.163.66%
8.0.3.053.05%
7.6.1.042.44%
5.3.5.042.44%
6.2.2.042.44%
9.1.4.031.83%
8.0.331.83%
5.4.5.431.83%
8.3.5.031.83%
5.0.2.331.83%
5.0.2.121.22%
8.5.0.521.22%
7-6-1-021.22%
8.3.0.121.22%
8.3.621.22%
Other84.88%

NetIQ MailMarshal (73 servers)

Version Number of Servers Percent
6.0.3.85169.86%
6.1.3.1568.22%
5.5.6.745.48%
5.5.6.634.11%
5.5.4.1634.11%
5.5.5.911.37%
6.5.4.753511.37%
5.5.3.1711.37%
5.5.3.1511.37%
5.5.5.811.37%
5.5.4.1711.37%
Other00.00%

Interscan (55 servers)

Version Number of Servers Percent
3.55 (build 1016)1120.00%
3.55 (build 1029)712.73%
3.53 (build 2017)610.91%
3.81-Build_1022610.91%
3.55 (build 1020)47.27%
3.8-Build_301335.45%
3.53 (build 2013)23.64%
3.53 (build 1494)23.64%
3.81-Build_108423.64%
3.53 (build 1493)23.64%
3.53 (build 2011)23.64%
3.6-Build_124611.82%
3.6-Build_127311.82%
3.6-Build_301311.82%
3.8-Build_108011.82%
3.8-Build_306511.82%
3.51 (build 1321)11.82%
3.81-Build_105511.82%
3.81-Build_103211.82%
Other00.00%

Mercury (52 servers)

Version Number of Servers Percent
1.482650.00%
3.321732.69%
3.21c35.77%
1.4723.85%
3.2111.92%
1.4411.92%
3.01a11.92%
3.3111.92%
Other00.00%

Neon Mail Server (39 servers)

Version Number of Servers Percent
3.0.71025.64%
3.1.3923.08%
3.0.9512.82%
3.1.4410.26%
3.1.0410.26%
3.1.237.69%
3.1.525.13%
3.0.812.56%
3.1.112.56%
Other00.00%

WebSTAR V (35 servers)

Version Number of Servers Percent
5.4.11234.29%
5.3.4822.86%
5.4.0822.86%
5.3.338.57%
5.3.238.57%
5.3.012.86%
Other00.00%

OpenVMS (15 servers)

Version Number of Servers Percent
8.3746.67%
7.3640.00%
6.116.67%
8.216.67%
Other00.00%

WebSTAR (14 servers)

Version Number of Servers Percent
Other14100.00%

ModusMail (14 servers)

Version Number of Servers Percent
4.2.420.0535.71%
4.1.361.21214.29%
4.35.477.0214.29%
4.35.480.017.14%
4.2.425.2217.14%
3.2.315.017.14%
4.0.340.317.14%
3.1.293.117.14%
Other00.00%

MessageWall (12 servers)

Version Number of Servers Percent
1.0.81191.67%
1.0.618.33%
Other00.00%

MAILsweeper (7 servers)

Version Number of Servers Percent
4.3.17.0457.14%
4.3.20.0114.29%
4.3.19.0114.29%
4.3.10.0114.29%
Other00.00%




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