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You are viewing an outdated report.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
February 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 Queried1,674,404   100.0%
Number of Servers that didn't respond239,34214.29%
    Server didn't open socket230,74413.78%
    Server didn't provide banner8,5980.51%
Server provided banner1,435,06285.71%
Server banner identifies software in use898,28853.65%

As indicated by the above table, of the 1,674,404 servers queried, only 898,288 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
Sendmail288,27732.09%
Microsoft188,67021.00%
Exim166,39218.52%
Postfix119,83313.34%
IMail36,9094.11%
MDaemon21,1222.35%
MailEnable19,3412.15%
Merak8,4620.94%
Lotus Domino8,3000.92%
CommuniGate Pro5,3220.59%
Trend Micro4,8210.54%
GroupWise4,2740.48%
Kerio4,0240.45%
WinWebMail3,7800.42%
ArGoSoft3,1010.35%
XMail2,4250.27%
SurgeSMTP1,7350.19%
Gordano Messaging Suite (GMS)1,6380.18%
NetIQ MailMarshal1,4800.16%
InterScan VirusWall1,2770.14%
Post.Office1,2630.14%
Qmail Toaster1,1740.13%
Interscan1,1670.13%
ModusMail8440.09%
VisNetic6840.08%
Mirapoint5170.06%
WebSTAR V3290.04%
Mercury3280.04%
MAILsweeper3070.03%
Neon Mail Server1660.02%
MessageWall1470.02%
WebSTAR1460.02%
OpenVMS330.00%

Detailed Breakdown of Revisions on a Per-Server Basis

Sendmail (288,277 servers)

Version Number of Servers Percent
8.12.11.2006061450,05917.36%
8.12.11.2006030836,23712.57%
8.11.634,08611.82%
8.13.628,6119.92%
8.12.1022,8677.93%
8.13.121,6177.50%
8.12.1113,6794.75%
8.13.812,2114.24%
8.13.410,9223.79%
8.12.810,3353.59%
8.13.6.200606149,4353.27%
8.10.26,9962.43%
8.9.36,7232.33%
8.13.76,4152.23%
8.13.33,1101.08%
Other14,9745.19%

Microsoft (188,670 servers)

Version Number of Servers Percent
6.0.3790.1830125,48366.51%
5.0.2195.671335,12018.61%
6.0.3790.21118,0499.57%
6.0.3790.02,7121.44%
5.5.2653.132,6301.39%
Other4,6762.48%

Exim (166,392 servers)

Version Number of Servers Percent
4.6389,60053.85%
4.5237,71122.66%
4.5010,7966.49%
4.607,4044.45%
4.623,9592.38%
4.442,9751.79%
3.361,8521.11%
Other12,0957.27%

Postfix (119,833 servers)

Version Number of Servers Percent
Other119,833100.00%

IMail (36,909 servers)

Version Number of Servers Percent
8.158,16722.13%
8.225,89515.97%
8.054,65712.62%
9.104,20711.40%
6.061,9545.29%
7.151,6174.38%
7.071,5184.11%
8.211,5004.06%
9.048152.21%
8.006691.81%
8.206261.70%
8.105491.49%
8.124541.23%
8.024071.10%
8.133851.04%
Other3,4899.45%

MDaemon (21,122 servers)

Version Number of Servers Percent
9.5.43,16214.97%
9.5.31,6918.01%
8.1.31,6547.83%
9.0.41,2866.09%
6.8.51,0064.76%
7.2.38313.93%
7.2.07543.57%
9.0.17073.35%
8.1.47033.33%
9.0.66763.20%
9.0.06002.84%
9.5.15662.68%
9.0.75332.52%
8.0.25322.52%
9.5.25232.48%
8.1.14532.14%
8.0.34422.09%
8.1.54201.99%
9.0.53821.81%
7.1.23821.81%
7.2.23481.65%
7.1.03401.61%
6.8.43191.51%
8.0.13031.43%
7.2.12851.35%
7.0.12841.34%
Other1,9409.18%

MailEnable (19,341 servers)

Version Number of Servers Percent
1.96--2,57613.32%
1.9--2,32912.04%
1.8--2,20911.42%
1.95--2,00310.36%
0-1.84-6103.15%
0-1.75-5632.91%
0-2.36-5252.71%
0-1.6-5202.69%
0-2.32-5182.68%
0-1.54-4942.55%
0-1.79-3571.85%
0-2.35-3441.78%
1.73--3371.74%
0-1.841-3251.68%
1.981--3171.64%
0-2.11-2981.54%
0--2.322491.29%
0-2.2-2431.26%
0--2.362361.22%
1.91--2341.21%
0--2.352121.10%
1.71--2121.10%
0-1.71-2041.05%
Other3,42617.71%

Merak (8,462 servers)

Version Number of Servers Percent
8.0.31,84621.82%
8.5.01,41016.66%
8.9.16317.46%
8.9.06267.40%
8.3.85446.43%
7.4.54275.05%
7.6.43424.04%
7.5.23253.84%
7.4.22152.54%
8.2.41992.35%
7.2.01852.19%
6.2.11411.67%
8.3.01211.43%
7.4.01011.19%
4.4.2881.04%
7.6.1871.03%
Other1,17413.87%

Lotus Domino (8,300 servers)

Version Number of Servers Percent
6.5.47909.52%
7.0.17589.13%
6.5.17388.89%
7.0.26658.01%
6.5.35626.77%
6.5.55076.11%
7.04635.58%
6.53624.36%
5.0.113263.93%
6.5.23243.90%
5.0.122302.77%
7.0.1FP12092.52%
5.0.81832.20%
5.0.101621.95%
5.0.13a1571.89%
6.5.4FP21511.82%
6.0.2CF11411.70%
6.0.31251.51%
6.5.5FP11231.48%
6.01201.45%
6.5.4FP11141.37%
6.5.4FP31131.36%
5.0.9851.02%
6.5.5FP2851.02%
5.0.5851.02%
Other7228.70%

CommuniGate Pro (5,322 servers)

Version Number of Servers Percent
4.1.879414.92%
4.2.1054410.22%
5.0.93967.44%
5.1.31973.70%
5.0.81703.19%
4.2.81562.93%
5.1.41552.91%
5.1.21512.84%
5.0.111472.76%
4.21372.57%
4.2.41322.48%
4.2.91242.33%
4.2.71232.31%
4.3.81192.24%
4.3.61102.07%
4.0.61082.03%
3.5.9951.79%
4.0.1921.73%
5.1.1901.69%
5.0.10851.60%
5.0.6781.47%
5.0.13741.39%
5.1711.33%
5.0.12681.28%
4.3.12591.11%
5.0.1551.03%
4.2.6541.01%
Other93817.62%

Trend Micro (4,821 servers)

Version Number of Servers Percent
5.52,62854.51%
5.71,64234.06%
5.184819.98%
Other701.45%

GroupWise (4,274 servers)

Version Number of Servers Percent
7.0.11,20528.19%
6.5.459413.90%
7.03077.18%
6.0.43027.07%
6.5.52876.72%
6.5.62826.60%
6.5.72656.20%
6.5.12285.33%
6.5.31413.30%
6.5.21282.99%
6.0.21082.53%
6.0.3942.20%
5.5.5811.90%
6.5.0751.75%
6.0.1651.52%
Other1122.62%

Kerio (4,024 servers)

Version Number of Servers Percent
6.3.086021.37%
6.3.149412.28%
6.2.241410.29%
6.2.02646.56%
6.1.32295.69%
6.1.22175.39%
6.1.42075.14%
6.1.01874.65%
6.0.101463.63%
6.2.11102.73%
6.1.11102.73%
6.0.3982.44%
6.0.8671.67%
5.7.10601.49%
6.0.9571.42%
6.0.6521.29%
6.0.7441.09%
6.2.3411.02%
Other3679.12%

WinWebMail (3,780 servers)

Version Number of Servers Percent
3.7.1.11,12129.66%
3.6.3.183922.20%
3.7.0.551313.57%
3.7.3.148912.94%
3.7.0.744111.67%
3.7.0.33318.76%
Other461.22%

ArGoSoft (3,101 servers)

Version Number of Servers Percent
1.8 (1.8.8.8)1,06634.38%
1.8 (1.8.8.7)63420.45%
1.8 (1.8.8.1)1203.87%
1.8 (1.8.6.0)973.13%
1.8 (1.8.8.9 902.90%
1.8 (1.8.8.3)812.61%
1.8 (1.8.8.2)782.52%
1.8 (1.8.8.5)732.35%
1.8 (1.8.8.4)652.10%
1.8 (1.8.7.5)591.90%
1.8 (1.8.5.9)551.77%
1.8 (1.8.8.6)451.45%
1.8 (1.8.6.6)431.39%
1.8 (1.8.7.6)391.26%
1.8 (1.8.7.3)331.06%
Other52316.87%

XMail (2,425 servers)

Version Number of Servers Percent
1.221,02042.06%
1.2147919.75%
1.202309.48%
1.171937.96%
1.231365.61%
1.12712.93%
1.18702.89%
1.16411.69%
1.10351.44%
1.24351.44%
1.15301.24%
1.11271.11%
Other582.39%

SurgeSMTP (1,735 servers)

Version Number of Servers Percent
3.8f2-260434.81%
3.7b8-836721.15%
3.6f5-51508.65%
3.5b3-3915.24%
3.0c2-2854.90%
3.7b6-6613.52%
3.8g-7492.82%
2.1c7-7321.84%
2.0g2-1271.56%
3.8b-1251.44%
1.8g3201.15%
1.6e2201.15%
2.2c10-10181.04%
Other18610.72%

Gordano Messaging Suite (GMS) (1,638 servers)

Version Number of Servers Percent
Other1,638100.00%

NetIQ MailMarshal (1,480 servers)

Version Number of Servers Percent
6.0.3.81,04870.81%
5.5.6.71389.32%
6.1.3.15755.07%
5.5.4.16412.77%
5.5.5.9412.77%
5.5.6.6322.16%
5.5.6.5291.96%
5.5.5.6181.22%
5.5.4.17171.15%
Other412.77%

InterScan VirusWall (1,277 servers)

Version Number of Servers Percent
Other1,277100.00%

Post.Office (1,263 servers)

Version Number of Servers Percent
3.5.343834.68%
3.5.3J1189.34%
3.8.3745.86%
3.6.3695.46%
3.6.2524.12%
4.0.1483.80%
3.1.2J453.56%
3.9.1393.09%
3.1.2362.85%
3.8.4312.45%
3.9.2302.38%
3.5.2262.06%
3.9.0251.98%
3.6.0251.98%
4.0.0.2221.74%
3.8.7.4211.66%
4.0.0.1171.35%
3.9.2.3151.19%
3.9.1.3151.19%
3.8.2131.03%
Other1048.23%

Qmail Toaster (1,174 servers)

Version Number of Servers Percent
1.255046.85%
1.350242.76%
1.012110.31%
Other10.09%

Interscan (1,167 servers)

Version Number of Servers Percent
3.55 (build 1016)27523.56%
3.81-Build_102213311.40%
3.8-Build_30131139.68%
3.55 (build 1029)1059.00%
3.53 (build 2011)1018.65%
3.53 (build 2017)968.23%
3.53 (build 2013)595.06%
3.55 (build 1020)433.68%
3.52 (build 1375)342.91%
3.53 (build 1493)342.91%
3.8-Build_1080231.97%
3.81-Build_1084181.54%
3.8-Build_3065131.11%
Other12010.28%

ModusMail (844 servers)

Version Number of Servers Percent
4.35.480.053963.86%
4.35.480.11495.81%
3.2.315.0374.38%
4.1.361.21273.20%
4.2.425.22263.08%
4.35.477.0252.96%
4.2.425.16252.96%
3.1.302.0252.96%
3.1.297.0182.13%
4.3.459.0131.54%
4.2.425.4121.42%
4.1.361.091.07%
Other394.62%

VisNetic (684 servers)

Version Number of Servers Percent
8.5.0.89313.60%
7.2.4.1578.33%
5.8.6.6487.02%
5.0.2.3476.87%
8.0.3.0456.58%
6.2.2.0405.85%
8.3.5.0405.85%
7.6.1.0405.85%
5.5.8.3375.41%
8.0.3.1355.12%
8.3.6334.82%
8.5.0.5273.95%
5.4.5.4213.07%
7.5.3.0192.78%
8.0.3152.19%
5.3.5.0142.05%
8.3.0.1131.90%
5.8.6.4101.46%
7.2.4.091.32%
Other415.99%

Mirapoint (517 servers)

Version Number of Servers Percent
3.7.5a-GA9618.57%
3.8.2-GA7815.09%
3.7.3a-GA6111.80%
3.7.4b-GA468.90%
3.7.5-GA346.58%
3.8.3-GA295.61%
3.7.2-GA224.26%
3.5.8-GR214.06%
3.7.1-GA193.68%
1.1.0112.13%
3.8.1-FCS112.13%
3.7.0-GA101.93%
3.8.0-FCS101.93%
3.7.3-GA71.35%
3.6.6-GR71.35%
3.6.4-CR61.16%
3.6.5-GR61.16%
3.5.9-GR61.16%
Other377.16%

WebSTAR V (329 servers)

Version Number of Servers Percent
5.4.19829.79%
5.4.09729.48%
5.3.47021.28%
5.3.3309.12%
5.3.2195.78%
5.3.0103.04%
Other51.52%

Mercury (328 servers)

Version Number of Servers Percent
1.4814744.82%
3.3211334.45%
3.21c257.62%
3.31164.88%
1.44103.05%
1.4761.83%
3.01a51.52%
Other61.83%

MAILsweeper (307 servers)

Version Number of Servers Percent
4.3.12.05116.61%
4.3.19.04715.31%
4.3.17.04614.98%
4.3.20.04414.33%
4.3.14.04013.03%
4.2.10.0154.89%
4.3.1.0154.89%
4.2.1.0134.23%
4.2.5.0123.91%
4.3.10.0113.58%
4.3.6.092.93%
Other41.30%

Neon Mail Server (166 servers)

Version Number of Servers Percent
3.0.97545.18%
3.0.76941.57%
3.0.895.42%
3.0.684.82%
3.0.521.20%
3.0.421.20%
Other10.60%

MessageWall (147 servers)

Version Number of Servers Percent
1.0.811276.19%
1.0.111812.24%
1.1.2374.76%
1.0.642.72%
1.1.032.04%
Other32.04%

WebSTAR (146 servers)

Version Number of Servers Percent
Other146100.00%

OpenVMS (33 servers)

Version Number of Servers Percent
7.31339.39%
8.2927.27%
7.2721.21%
8.339.09%
6.113.03%
Other00.00%




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