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You are viewing an outdated report. The latest version of this report was published on November 1st, 2017


    
Mail (MX) Server Survey
March 1st, 2008

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 Queried1,831,463   100.0%
Number of Servers that didn't respond284,96815.56%
    Server didn't open socket273,71214.94%
    Server didn't provide banner11,2560.61%
Server provided banner1,546,49584.44%
Server banner identifies software in use919,81550.22%

As indicated by the above table, of the 1,831,463 servers queried, only 919,815 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
Sendmail242,57626.37%
Exim203,72522.15%
Microsoft203,53322.13%
Postfix147,62016.05%
IMail26,1472.84%
MailEnable23,3422.54%
MDaemon22,7112.47%
Lotus Domino6,9650.76%
Merak6,4210.70%
Kerio5,4830.60%
CommuniGate Pro4,9410.54%
WinWebMail4,6870.51%
Trend Micro3,4350.37%
GroupWise3,0810.33%
ArGoSoft2,7150.30%
XMail2,6540.29%
SurgeSMTP1,8280.20%
Qmail Toaster1,6290.18%
Gordano Messaging Suite (GMS)1,0280.11%
Post.Office9700.11%
NetIQ MailMarshal7420.08%
InterScan VirusWall7080.08%
Mirapoint5900.06%
Interscan5680.06%
VisNetic5450.06%
ModusMail2460.03%
WebSTAR V2200.02%
Mercury2030.02%
Neon Mail Server1840.02%
MAILsweeper1000.01%
MessageWall930.01%
WebSTAR890.01%
OpenVMS360.00%

Detailed Breakdown of Revisions on a Per-Server Basis

Sendmail (242,576 servers)

Version Number of Servers Percent
8.12.11.2006061436,09714.88%
8.13.130,67412.65%
8.12.11.2006030828,08011.58%
8.13.623,4509.67%
8.11.620,8928.61%
8.13.816,2736.71%
8.12.1015,0916.22%
8.13.6.2006061410,6294.38%
8.14.19,3353.85%
8.12.118,9093.67%
8.13.47,6523.15%
8.12.86,5232.69%
8.13.75,9222.44%
8.14.23,8821.60%
8.9.33,7371.54%
8.10.23,3681.39%
Other12,0624.97%

Exim (203,725 servers)

Version Number of Servers Percent
4.68130,50864.06%
4.6330,92815.18%
4.607,1253.50%
4.666,8933.38%
4.506,3703.13%
4.675,1852.55%
4.624,1612.04%
4.692,2691.11%
Other10,2865.05%

Microsoft (203,533 servers)

Version Number of Servers Percent
6.0.3790.3959120,58359.24%
6.0.3790.183049,79524.47%
5.0.2195.671320,2419.94%
6.0.3790.2117,9673.91%
Other4,9472.43%

Postfix (147,620 servers)

Version Number of Servers Percent
Other147,620100.00%

IMail (26,147 servers)

Version Number of Servers Percent
8.225,32620.37%
8.154,95918.97%
9.232,0097.68%
8.051,7456.67%
9.101,4875.69%
9.211,3755.26%
9.221,1164.27%
7.071,0554.03%
7.159403.60%
9.208103.10%
6.067202.75%
8.005652.16%
8.215562.13%
8.203781.45%
8.043411.30%
8.102861.09%
8.012801.07%
Other2,1998.41%

MailEnable (23,342 servers)

Version Number of Servers Percent
1.981--5,85825.10%
1.983--2,2369.58%
1.96--1,7687.57%
1.95--1,5306.55%
1.9--1,3475.77%
1.8--1,1334.85%
0-1.85-1,0854.65%
0-2.37-9784.19%
0-3.04-6172.64%
0-2.38-5922.54%
0-2.36-4812.06%
0-2.40-3941.69%
0--2.373921.68%
0--2.383241.39%
0--3.043161.35%
0-1.841-2421.04%
0-3.10-2341.00%
Other3,81516.34%

MDaemon (22,711 servers)

Version Number of Servers Percent
9.6.44,17618.39%
9.6.32,0829.17%
9.6.21,8258.04%
9.6.11,2515.51%
9.5.61,2105.33%
8.1.31,0614.67%
9.0.41,0034.42%
9.5.27453.28%
9.5.16863.02%
6.8.56362.80%
7.2.35592.46%
7.2.04742.09%
9.0.14672.06%
9.5.54051.78%
9.0.03891.71%
8.1.43791.67%
8.0.23631.60%
9.5.43531.55%
8.1.13281.44%
9.6.03161.39%
9.5.32801.23%
8.0.32661.17%
7.1.22611.15%
8.1.52541.12%
Other2,94212.95%

Lotus Domino (6,965 servers)

Version Number of Servers Percent
7.0.290613.01%
7.0.2FP25057.25%
6.5.44636.65%
7.0.14446.37%
8.04145.94%
6.5.14005.74%
6.5.33565.11%
7.03024.34%
6.5.53004.31%
7.0.32874.12%
7.0.2FP12523.62%
6.52413.46%
5.0.111752.51%
6.5.21612.31%
5.0.121101.58%
6.5.5FP2981.41%
5.0.8931.34%
7.0.1FP1921.32%
6.5.6921.32%
5.0.10911.31%
5.0.13a901.29%
6.0.2CF1781.12%
6.5.4FP3741.06%
6.5.4FP2731.05%
Other86812.46%

Merak (6,421 servers)

Version Number of Servers Percent
8.0.32,11232.89%
8.9.185713.35%
8.5.04777.43%
7.4.53144.89%
8.3.83094.81%
7.5.22734.25%
7.6.42604.05%
9.0.02023.15%
7.4.21552.41%
7.2.01171.82%
8.2.41041.62%
8.9.0941.46%
6.2.1921.43%
7.6.1791.23%
8.3.0691.07%
7.4.0651.01%
Other84213.11%

Kerio (5,483 servers)

Version Number of Servers Percent
6.4.11,22022.25%
6.4.21,18821.67%
6.3.181414.85%
6.4.062611.42%
6.3.02745.00%
6.2.21202.19%
6.1.31081.97%
6.1.01041.90%
6.1.21031.88%
6.2.01011.84%
6.0.10931.70%
6.1.4861.57%
6.0.3691.26%
6.5.0671.22%
Other5109.30%

CommuniGate Pro (4,941 servers)

Version Number of Servers Percent
4.1.852610.65%
5.1.133637.35%
4.2.103286.64%
5.1.123266.60%
5.1.142414.88%
5.1.101963.97%
5.0.131763.56%
5.0.91683.40%
5.1.91392.81%
5.1.111342.71%
5.1.81222.47%
5.1.71132.29%
4.2.81032.08%
4.2.7861.74%
4.2851.72%
5.2.0841.70%
4.3.12781.58%
5.1.5781.58%
5.0.11771.56%
4.2.9751.52%
5.2741.50%
5.0.8711.44%
4.0.6701.42%
5.1.3621.25%
4.3.8531.07%
5.0.14531.07%
5.1.6521.05%
5.1.2501.01%
Other95819.39%

WinWebMail (4,687 servers)

Version Number of Servers Percent
3.7.3.11,60734.29%
3.7.1.187418.65%
3.7.5.163913.63%
3.6.3.147910.22%
3.7.0.54078.68%
3.7.0.72665.68%
3.7.0.32545.42%
3.7.6.11072.28%
Other541.15%

Trend Micro (3,435 servers)

Version Number of Servers Percent
5.71,58146.03%
5.51,29637.73%
5.1843212.58%
7.0722.10%
Other541.57%

GroupWise (3,081 servers)

Version Number of Servers Percent
7.0.21,07334.83%
7.0.144814.54%
6.5.736711.91%
6.5.42387.72%
6.5.61665.39%
6.0.41534.97%
7.01153.73%
6.5.51123.64%
6.5.11003.25%
6.5.2451.46%
6.0.2401.30%
6.5.3381.23%
6.0.3361.17%
Other1504.87%

ArGoSoft (2,715 servers)

Version Number of Servers Percent
1.8 (1.8.9.1)50318.53%
1.8 (1.8.9.3)49818.34%
1.8 (1.8.8.8)32211.86%
1.8 (1.8.8.7)2709.94%
1.8 (1.8.9.2)2318.51%
1.8 (1.8.8.9)1254.60%
1.8 (1.8.9.0)642.36%
1.8 (1.8.8.1)572.10%
1.8 (1.8.8.2)552.03%
1.8 (1.8.6.0)531.95%
1.8 (1.8.5.9)341.25%
1.8 (1.8.8.3)331.22%
1.8 (1.8.7.5)301.10%
1.8 (1.8.8.4)291.07%
Other41115.14%

XMail (2,654 servers)

Version Number of Servers Percent
1.2287032.78%
1.2461523.17%
1.2133112.47%
1.251726.48%
1.201465.50%
1.171395.24%
1.231254.71%
1.12873.28%
1.16441.66%
1.18351.32%
Other903.39%

SurgeSMTP (1,828 servers)

Version Number of Servers Percent
3.8k4-467136.71%
3.8i3-318410.07%
3.7b8-81055.74%
3.8f3-3965.25%
3.8q-1844.60%
3.6f5-5723.94%
3.5b3-3603.28%
3.8f2-2593.23%
3.8k2-2482.63%
3.0c2-2482.63%
3.8t-5392.13%
3.7b6-6361.97%
3.9a-1301.64%
3.8i-1241.31%
3.8m-1231.26%
3.8o-1221.20%
3.8k-1221.20%
Other20511.21%

Qmail Toaster (1,629 servers)

Version Number of Servers Percent
1.31,19673.42%
1.235621.85%
1.0734.48%
Other40.25%

Gordano Messaging Suite (GMS) (1,028 servers)

Version Number of Servers Percent
Other1,028100.00%

Post.Office (970 servers)

Version Number of Servers Percent
3.5.324325.05%
4.0.1929.48%
3.5.3J767.84%
3.8.3565.77%
3.6.3555.67%
3.6.2404.12%
3.9.1363.71%
3.9.2.3333.40%
3.1.2J303.09%
3.9.2262.68%
3.8.7.4232.37%
3.1.2222.27%
3.8.4222.27%
3.9.0202.06%
3.5.2181.86%
4.1161.65%
3.9.1.3151.55%
4.0.0.2141.44%
3.6.0141.44%
3.8.2131.34%
3.9.2.1121.24%
4.0.0.1121.24%
Other828.45%

NetIQ MailMarshal (742 servers)

Version Number of Servers Percent
6.0.3.857477.36%
5.5.6.7456.06%
6.1.3.15364.85%
5.5.6.6172.29%
5.5.5.9141.89%
5.5.4.16131.75%
5.5.6.5111.48%
5.5.5.691.21%
Other233.10%

InterScan VirusWall (708 servers)

Version Number of Servers Percent
Other708100.00%

Mirapoint (590 servers)

Version Number of Servers Percent
3.8.3-GA11118.81%
3.8.4-GA11018.64%
3.8.5-GA7713.05%
3.8.6-GA6410.85%
3.7.5a-GA569.49%
3.8.2-GA457.63%
3.7.3a-GA284.75%
3.7.4b-GA244.07%
3.7.5-GA132.20%
3.5.8-GR111.86%
1.1.091.53%
3.7.2-GA81.36%
3.7.1-GA61.02%
Other284.75%

Interscan (568 servers)

Version Number of Servers Percent
3.55 (build 1016)9817.25%
3.81-Build_10227112.50%
3.8-Build_30136811.97%
3.53 (build 2017)529.15%
3.55 (build 1029)518.98%
3.53 (build 2011)447.75%
3.81-Build_1084407.04%
3.53 (build 1493)223.87%
3.53 (build 2013)193.35%
3.55 (build 1020)162.82%
3.52 (build 1375)162.82%
3.8-Build_108091.58%
3.81-Build_105571.23%
Other559.68%

VisNetic (545 servers)

Version Number of Servers Percent
9.1.4.17914.50%
9.1.4.0549.91%
8.5.0.8519.36%
5.8.6.6356.42%
7.2.4.1356.42%
8.3.5.0305.50%
5.0.2.3264.77%
8.0.3.0264.77%
5.5.8.3254.59%
8.0.3.1224.04%
7.6.1.0193.49%
6.2.2.0193.49%
8.0.3152.75%
5.4.5.4122.20%
5.3.5.0122.20%
8.3.6101.83%
7.5.3.091.65%
8.5.0.581.47%
8.3.0.161.10%
5.8.6.461.10%
7.2.4.061.10%
5.0.2.161.10%
Other346.24%

ModusMail (246 servers)

Version Number of Servers Percent
4.35.480.08735.37%
3.2.315.02911.79%
4.1.361.212610.57%
4.2.425.222610.57%
4.35.477.0166.50%
3.0.273.0114.47%
3.1.302.0104.07%
4.3.459.093.66%
4.35.480.1172.85%
4.2.420.052.03%
4.0.340.041.63%
4.1.361.031.22%
Other135.28%

WebSTAR V (220 servers)

Version Number of Servers Percent
5.4.06730.45%
5.4.16027.27%
5.3.44520.45%
5.3.32210.00%
5.3.2177.73%
5.3.062.73%
Other31.36%

Mercury (203 servers)

Version Number of Servers Percent
1.489144.83%
3.326532.02%
3.21c188.87%
1.4473.45%
3.3173.45%
1.4762.96%
3.2131.48%
Other62.96%

Neon Mail Server (184 servers)

Version Number of Servers Percent
3.0.74826.09%
3.0.94122.28%
3.1.23619.57%
3.1.02614.13%
3.1.3189.78%
3.0.863.26%
3.0.652.72%
3.0.521.09%
Other21.09%

MAILsweeper (100 servers)

Version Number of Servers Percent
4.3.20.02020.00%
4.3.14.01717.00%
4.3.17.01616.00%
4.3.19.01111.00%
4.3.12.099.00%
4.2.10.077.00%
4.3.1.066.00%
4.3.6.055.00%
4.2.5.033.00%
4.3.10.033.00%
4.2.1.022.00%
4.1.5.011.00%
Other00.00%

MessageWall (93 servers)

Version Number of Servers Percent
1.0.87277.42%
1.0.111819.35%
1.1.022.15%
1.0.611.08%
Other00.00%

WebSTAR (89 servers)

Version Number of Servers Percent
Other89100.00%

OpenVMS (36 servers)

Version Number of Servers Percent
8.31027.78%
7.31027.78%
8.21027.78%
7.2513.89%
6.112.78%
Other00.00%




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