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You are viewing an outdated report.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


    
Mail (MX) Server Survey
August 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 Queried1,752,365   100.0%
Number of Servers that didn't respond258,96914.78%
    Server didn't open socket249,75314.25%
    Server didn't provide banner9,2160.53%
Server provided banner1,493,39685.22%
Server banner identifies software in use914,93352.21%

As indicated by the above table, of the 1,752,365 servers queried, only 914,933 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
Sendmail269,13829.42%
Microsoft200,40021.90%
Exim181,49219.84%
Postfix133,80114.62%
IMail31,1763.41%
MDaemon22,1292.42%
MailEnable20,7462.27%
Merak8,7050.95%
Lotus Domino7,6790.84%
CommuniGate Pro5,1750.57%
Kerio4,8010.52%
Trend Micro4,5530.50%
WinWebMail4,4540.49%
GroupWise3,6700.40%
ArGoSoft2,9740.33%
XMail2,5600.28%
SurgeSMTP1,7580.19%
Qmail Toaster1,4450.16%
Gordano Messaging Suite (GMS)1,3550.15%
Post.Office1,1240.12%
InterScan VirusWall1,0210.11%
NetIQ MailMarshal1,0150.11%
Interscan8910.10%
VisNetic6250.07%
Mirapoint5640.06%
ModusMail4960.05%
Mercury2720.03%
WebSTAR V2700.03%
Neon Mail Server1870.02%
MAILsweeper1820.02%
MessageWall1210.01%
WebSTAR1180.01%
OpenVMS360.00%

Detailed Breakdown of Revisions on a Per-Server Basis

Sendmail (269,138 servers)

Version Number of Servers Percent
8.12.11.2006061445,45916.89%
8.12.11.2006030833,22412.34%
8.11.627,41610.19%
8.13.626,4649.83%
8.13.125,9969.66%
8.12.1019,1707.12%
8.13.816,3376.07%
8.12.1111,6984.35%
8.13.6.2006061410,2483.81%
8.13.49,3753.48%
8.12.88,3163.09%
8.13.76,0542.25%
8.10.25,3291.98%
8.9.35,0341.87%
8.14.13,2821.22%
Other15,7365.85%

Microsoft (200,400 servers)

Version Number of Servers Percent
6.0.3790.183091,53245.67%
6.0.3790.395960,83630.36%
5.0.2195.671327,84413.89%
6.0.3790.21112,8946.43%
Other7,2943.64%

Exim (181,492 servers)

Version Number of Servers Percent
4.6380,39544.30%
4.6656,10030.91%
4.508,9204.91%
4.527,6424.21%
4.607,5234.15%
4.623,9242.16%
4.673,8982.15%
4.442,6621.47%
Other10,4285.75%

Postfix (133,801 servers)

Version Number of Servers Percent
Other133,801100.00%

IMail (31,176 servers)

Version Number of Servers Percent
8.155,83818.73%
8.225,81618.66%
8.053,74712.02%
9.102,8479.13%
9.202,8299.07%
7.151,3174.22%
7.071,2704.07%
6.069793.14%
8.218572.75%
8.006121.96%
8.204721.51%
8.104591.47%
9.043981.28%
8.023511.13%
8.123401.09%
Other3,0449.76%

MDaemon (22,129 servers)

Version Number of Servers Percent
9.5.63,18714.40%
9.6.02,49211.26%
9.6.11,3596.14%
8.1.31,3556.12%
9.0.41,1595.24%
6.8.58173.69%
9.5.27233.27%
7.2.37093.20%
9.5.17013.17%
9.5.46362.87%
9.5.56242.82%
7.2.06072.74%
9.0.15692.57%
8.1.45192.35%
8.0.24752.15%
9.0.04622.09%
9.5.34582.07%
8.1.13931.78%
8.0.33401.54%
7.1.23351.51%
9.0.73311.50%
8.1.53241.46%
9.0.63051.38%
7.1.02841.28%
7.2.22791.26%
7.2.12571.16%
8.0.12411.09%
7.0.12311.04%
6.8.42311.04%
Other1,7267.80%

MailEnable (20,746 servers)

Version Number of Servers Percent
1.981--4,39421.18%
1.96--2,14010.32%
0-2.37-1,7098.24%
1.95--1,6618.01%
1.9--1,6377.89%
1.8--1,5677.55%
0-1.85-1,0785.20%
0--2.378213.96%
0-2.36-6793.27%
0-1.841-3111.50%
0-2.38-2841.37%
0--2.382431.17%
0-1.75-2321.12%
0-1.54-2161.04%
1.73--2141.03%
Other3,56017.16%

Merak (8,705 servers)

Version Number of Servers Percent
8.9.12,37327.26%
8.0.32,01323.12%
8.5.07538.65%
7.4.53654.19%
8.3.83634.17%
7.5.23243.72%
7.6.42843.26%
7.4.21892.17%
8.9.01822.09%
7.2.01451.67%
8.2.41451.67%
6.2.11011.16%
8.3.0951.09%
7.4.0921.06%
Other1,28114.72%

Lotus Domino (7,679 servers)

Version Number of Servers Percent
7.0.296712.59%
7.0.15967.76%
6.5.45937.72%
6.5.15617.31%
6.5.34485.83%
6.5.54165.42%
7.0.2FP14095.33%
7.03654.75%
6.53074.00%
7.0.2FP22703.52%
5.0.112403.13%
6.5.22373.09%
5.0.121752.28%
6.5.5FP21511.97%
5.0.81481.93%
7.0.1FP11431.86%
5.0.101321.72%
5.0.13a1261.64%
6.5.4FP21071.39%
6.0.2CF11011.32%
6.0.3901.17%
6.0901.17%
6.5.4FP3891.16%
6.5.5FP1791.03%
Other83910.93%

CommuniGate Pro (5,175 servers)

Version Number of Servers Percent
4.1.864512.46%
4.2.104528.73%
5.1.103476.71%
5.1.92574.97%
5.0.92494.81%
5.1.71973.81%
5.1.81973.81%
5.0.131893.65%
4.2.81252.42%
4.3.121172.26%
4.2.71142.20%
5.0.81132.18%
4.21112.14%
5.0.111072.07%
4.2.91001.93%
5.1.3991.91%
4.0.1941.82%
5.1.5921.78%
5.1.6861.66%
4.0.6841.62%
4.3.8711.37%
3.5.9691.33%
5.1.4651.26%
5.1.2631.22%
5.0.10541.04%
4.2.4521.00%
Other1,02619.83%

Kerio (4,801 servers)

Version Number of Servers Percent
6.3.11,35128.14%
6.4.01,30527.18%
6.3.04058.44%
6.2.21853.85%
6.1.31623.37%
6.2.01483.08%
6.1.21432.98%
6.1.01432.98%
6.0.101212.52%
6.1.41122.33%
6.0.3771.60%
6.1.1711.48%
6.0.8571.19%
6.2.1561.17%
5.7.10521.08%
Other4138.60%

Trend Micro (4,553 servers)

Version Number of Servers Percent
5.52,05045.03%
5.71,94042.61%
5.1847310.39%
Other901.98%

WinWebMail (4,454 servers)

Version Number of Servers Percent
3.7.3.11,53634.49%
3.7.1.11,04723.51%
3.6.3.170515.83%
3.7.0.547510.66%
3.7.0.73477.79%
3.7.0.32986.69%
Other461.03%

GroupWise (3,670 servers)

Version Number of Servers Percent
7.0.178721.44%
7.0.265017.71%
6.5.745012.26%
6.5.43479.46%
6.0.42306.27%
6.5.62266.16%
7.01834.99%
6.5.51694.60%
6.5.11534.17%
6.5.3711.93%
6.0.2701.91%
6.5.2641.74%
6.0.3621.69%
5.5.5501.36%
6.0.1431.17%
6.5.0391.06%
Other762.07%

ArGoSoft (2,974 servers)

Version Number of Servers Percent
1.8 (1.8.9.1)66822.46%
1.8 (1.8.8.8)55918.80%
1.8 (1.8.8.7)40813.72%
1.8 (1.8.8.9)2357.90%
1.8 (1.8.9.0)1244.17%
1.8 (1.8.8.1)842.82%
1.8 (1.8.6.0)732.45%
1.8 (1.8.8.2)602.02%
1.8 (1.8.8.3)571.92%
1.8 (1.8.5.9)511.71%
1.8 (1.8.8.5)471.58%
1.8 (1.8.7.5)441.48%
1.8 (1.8.8.4)361.21%
1.8 (1.8.8.9 361.21%
1.8 (1.8.6.6)311.04%
Other46115.50%

XMail (2,560 servers)

Version Number of Servers Percent
1.2291835.86%
1.2442016.41%
1.2140615.86%
1.201917.46%
1.171726.72%
1.231425.55%
1.12883.44%
1.18532.07%
1.16351.37%
1.10281.09%
Other1074.18%

SurgeSMTP (1,758 servers)

Version Number of Servers Percent
3.8i3-354130.77%
3.8f3-319110.86%
3.7b8-818910.75%
3.8f2-21196.77%
3.8i-11146.48%
3.6f5-51096.20%
3.8k-1945.35%
3.5b3-3663.75%
3.0c2-2543.07%
3.7b6-6452.56%
2.1c7-7221.25%
2.0g2-1221.25%
Other19210.92%

Qmail Toaster (1,445 servers)

Version Number of Servers Percent
1.388060.90%
1.246932.46%
1.0966.64%
Other00.00%

Gordano Messaging Suite (GMS) (1,355 servers)

Version Number of Servers Percent
Other1,355100.00%

Post.Office (1,124 servers)

Version Number of Servers Percent
3.5.333329.63%
3.5.3J908.01%
4.0.1847.47%
3.8.3686.05%
3.6.3625.52%
3.6.2454.00%
3.1.2J413.65%
3.9.1393.47%
3.1.2322.85%
3.9.2.3322.85%
3.9.2282.49%
3.9.0272.40%
3.8.4242.14%
4.0.0.2232.05%
3.5.2232.05%
3.8.7.4211.87%
3.6.0191.69%
4.0.0.1141.25%
3.9.1.3131.16%
3.8.2121.07%
3.9.2.1121.07%
Other827.30%

InterScan VirusWall (1,021 servers)

Version Number of Servers Percent
Other1,021100.00%

NetIQ MailMarshal (1,015 servers)

Version Number of Servers Percent
6.0.3.877175.96%
5.5.6.7585.71%
6.1.3.15494.83%
5.5.4.16252.46%
5.5.6.6242.36%
5.5.5.9201.97%
5.5.6.5191.87%
5.5.5.6121.18%
Other373.65%

Interscan (891 servers)

Version Number of Servers Percent
3.55 (build 1016)18420.65%
3.81-Build_102211412.79%
3.8-Build_30139210.33%
3.53 (build 2011)748.31%
3.55 (build 1029)728.08%
3.53 (build 2017)647.18%
3.81-Build_1084485.39%
3.53 (build 2013)424.71%
3.53 (build 1493)313.48%
3.55 (build 1020)293.25%
3.52 (build 1375)273.03%
3.8-Build_1080151.68%
3.8-Build_3065121.35%
Other879.76%

VisNetic (625 servers)

Version Number of Servers Percent
8.5.0.812520.00%
7.2.4.1508.00%
5.8.6.6416.56%
8.0.3.0406.40%
8.3.5.0375.92%
5.0.2.3355.60%
8.0.3.1345.44%
6.2.2.0335.28%
7.6.1.0304.80%
5.5.8.3284.48%
8.3.6193.04%
8.0.3172.72%
5.3.5.0172.72%
8.5.0.5162.56%
5.4.5.4132.08%
7.5.3.0121.92%
8.9.2.081.28%
8.3.0.181.28%
5.0.171.12%
7.2.4.071.12%
5.0.2.171.12%
5.8.6.471.12%
Other345.44%

Mirapoint (564 servers)

Version Number of Servers Percent
3.8.3-GA12722.52%
3.8.4-GA9216.31%
3.7.5a-GA8615.25%
3.8.2-GA6812.06%
3.7.3a-GA407.09%
3.7.4b-GA366.38%
3.7.5-GA203.55%
3.7.1-GA122.13%
3.5.8-GR111.95%
1.1.0111.95%
3.7.2-GA101.77%
3.7.0-GA81.42%
3.7.3-GA61.06%
Other376.56%

ModusMail (496 servers)

Version Number of Servers Percent
4.35.480.029058.47%
3.2.315.0336.65%
4.1.361.21295.85%
4.2.425.22255.04%
4.35.477.0224.44%
3.1.297.0173.43%
4.35.480.11132.62%
3.0.273.0112.22%
3.1.302.0112.22%
4.3.459.091.81%
4.2.425.471.41%
4.2.420.051.01%
Other244.84%

Mercury (272 servers)

Version Number of Servers Percent
1.4811542.28%
3.3210036.76%
3.21c248.82%
3.31124.41%
1.44114.04%
1.4751.84%
Other51.84%

WebSTAR V (270 servers)

Version Number of Servers Percent
5.4.08029.63%
5.4.17226.67%
5.3.45821.48%
5.3.3269.63%
5.3.2217.78%
5.3.093.33%
5.2.431.11%
Other10.37%

Neon Mail Server (187 servers)

Version Number of Servers Percent
3.0.97540.11%
3.0.75730.48%
3.1.03418.18%
3.0.894.81%
3.0.684.28%
3.0.421.07%
3.0.521.07%
Other00.00%

MAILsweeper (182 servers)

Version Number of Servers Percent
4.3.20.03619.78%
4.3.12.02815.38%
4.3.17.02614.29%
4.3.14.02513.74%
4.3.19.02111.54%
4.2.10.0105.49%
4.3.1.084.40%
4.3.6.073.85%
4.3.10.073.85%
4.2.1.063.30%
4.2.5.052.75%
4.1.2.021.10%
Other10.55%

MessageWall (121 servers)

Version Number of Servers Percent
1.0.89074.38%
1.0.111714.05%
1.1.2375.79%
1.0.632.48%
1.1.032.48%
Other10.83%

WebSTAR (118 servers)

Version Number of Servers Percent
Other118100.00%

OpenVMS (36 servers)

Version Number of Servers Percent
7.31541.67%
8.2822.22%
8.3822.22%
7.2411.11%
6.112.78%
Other00.00%




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