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You are viewing an outdated report.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


    
Mail (MX) Server Survey
April 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 Queried1,844,209   100.0%
Number of Servers that didn't respond281,44215.26%
    Server didn't open socket270,38414.66%
    Server didn't provide banner11,0580.60%
Server provided banner1,562,76784.74%
Server banner identifies software in use926,47150.24%

As indicated by the above table, of the 1,844,209 servers queried, only 926,471 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
Sendmail240,25425.93%
Exim207,80122.43%
Microsoft205,31922.16%
Postfix150,37216.23%
IMail25,6392.77%
MailEnable23,7092.56%
MDaemon23,1862.50%
Lotus Domino7,0360.76%
Merak6,3780.69%
Kerio5,6450.61%
WinWebMail4,9060.53%
CommuniGate Pro4,9030.53%
Trend Micro3,3220.36%
GroupWise3,0410.33%
XMail2,7130.29%
ArGoSoft2,6540.29%
SurgeSMTP1,7580.19%
Qmail Toaster1,6610.18%
Gordano Messaging Suite (GMS)1,0080.11%
Post.Office9510.10%
NetIQ MailMarshal7220.08%
InterScan VirusWall6880.07%
Mirapoint5790.06%
Interscan5470.06%
VisNetic5440.06%
ModusMail2270.02%
WebSTAR V2160.02%
Mercury2020.02%
Neon Mail Server1830.02%
MAILsweeper980.01%
MessageWall890.01%
WebSTAR870.01%
OpenVMS330.00%

Detailed Breakdown of Revisions on a Per-Server Basis

Sendmail (240,254 servers)

Version Number of Servers Percent
8.12.11.2006061435,80314.90%
8.13.132,44813.51%
8.12.11.2006030825,64810.68%
8.13.622,9679.56%
8.11.620,2308.42%
8.13.816,8467.01%
8.12.1014,4716.02%
8.13.6.2006061410,7204.46%
8.14.19,4413.93%
8.12.118,6833.61%
8.13.47,4013.08%
8.12.86,3892.66%
8.13.75,8322.43%
8.14.24,9412.06%
8.9.33,5721.49%
8.10.23,1721.32%
Other11,6904.87%

Exim (207,801 servers)

Version Number of Servers Percent
4.68135,34365.13%
4.6330,19314.53%
4.606,9623.35%
4.665,9972.89%
4.505,9782.88%
4.675,9392.86%
4.624,1301.99%
4.693,2691.57%
Other9,9904.81%

Microsoft (205,319 servers)

Version Number of Servers Percent
6.0.3790.3959125,93761.34%
6.0.3790.183047,55123.16%
5.0.2195.671319,5029.50%
6.0.3790.2117,5223.66%
Other4,8072.34%

Postfix (150,372 servers)

Version Number of Servers Percent
Other150,372100.00%

IMail (25,639 servers)

Version Number of Servers Percent
8.225,21420.34%
8.154,62618.04%
9.232,2688.85%
8.051,6776.54%
9.101,5115.89%
9.211,2764.98%
7.071,0504.10%
7.159273.62%
9.229123.56%
9.206972.72%
6.066892.69%
8.216212.42%
8.005712.23%
8.203581.40%
8.043511.37%
8.103171.24%
8.013161.23%
Other2,2588.81%

MailEnable (23,709 servers)

Version Number of Servers Percent
1.981--6,04125.48%
1.983--2,55710.78%
1.96--1,7167.24%
1.95--1,5106.37%
1.9--1,3015.49%
1.8--1,0684.50%
0-1.85-1,0464.41%
0-2.37-9293.92%
0-3.04-5642.38%
0-2.38-5282.23%
0-2.36-4651.96%
0-2.40-3721.57%
0--2.373661.54%
0--2.383191.35%
0-3.12-2691.13%
0--3.042651.12%
Other4,39318.53%

MDaemon (23,186 servers)

Version Number of Servers Percent
9.6.45,51923.80%
9.6.21,6076.93%
9.6.31,4886.42%
9.6.11,2995.60%
9.5.61,1735.06%
8.1.31,0454.51%
9.0.49834.24%
9.5.27763.35%
9.5.17063.04%
6.8.56322.73%
7.2.35732.47%
7.2.04662.01%
9.0.14652.01%
9.5.53941.70%
9.0.03831.65%
8.1.43811.64%
8.0.23721.60%
9.5.43601.55%
8.1.13171.37%
9.6.03071.32%
8.0.32651.14%
9.5.32641.14%
7.1.22641.14%
8.1.52521.09%
Other2,89512.49%

Lotus Domino (7,036 servers)

Version Number of Servers Percent
7.0.291913.06%
7.0.2FP24766.77%
6.5.44716.69%
7.0.14596.52%
6.5.13985.66%
8.03785.37%
6.5.33545.03%
7.0.33414.85%
6.5.53044.32%
7.02984.24%
7.0.2FP12433.45%
6.52423.44%
5.0.111652.35%
6.5.21532.17%
8.0.11131.61%
5.0.121021.45%
5.0.8991.41%
6.5.5FP2931.32%
5.0.13a891.26%
6.5.6881.25%
5.0.10881.25%
7.0.1FP1851.21%
6.0.2CF1731.04%
6.5.4FP3721.02%
6.5.4FP2711.01%
Other86212.25%

Merak (6,378 servers)

Version Number of Servers Percent
8.0.32,14333.60%
8.9.181012.70%
8.5.04787.49%
7.4.53184.99%
7.5.22964.64%
8.3.82924.58%
7.6.42654.15%
9.0.01953.06%
7.4.21512.37%
7.2.01151.80%
8.2.41001.57%
6.2.1881.38%
8.9.0801.25%
7.6.1761.19%
8.3.0731.14%
7.4.0671.05%
Other83113.03%

Kerio (5,645 servers)

Version Number of Servers Percent
6.4.21,09419.38%
6.4.11,04518.51%
6.3.179314.05%
6.5.062111.00%
6.4.05579.87%
6.3.02614.62%
6.2.21222.16%
6.1.31121.98%
6.2.01001.77%
6.1.2971.72%
6.1.0951.68%
6.0.10861.52%
6.1.4831.47%
6.0.3721.28%
6.1.1571.01%
Other4507.97%

WinWebMail (4,906 servers)

Version Number of Servers Percent
3.7.3.11,61732.96%
3.7.1.189318.20%
3.7.5.164313.11%
3.6.3.14879.93%
3.7.0.54118.38%
3.7.6.12795.69%
3.7.0.72665.42%
3.7.0.32535.16%
Other571.16%

CommuniGate Pro (4,903 servers)

Version Number of Servers Percent
4.1.851610.52%
4.2.103316.75%
5.1.133246.61%
5.1.123006.12%
5.1.142615.32%
5.2.02234.55%
5.1.101974.02%
5.0.91673.41%
5.0.131603.26%
5.1.91262.57%
5.1.111202.45%
5.1.71162.37%
5.1.81092.22%
4.2.8911.86%
4.2.7841.71%
4.2781.59%
5.1.5771.57%
4.3.12751.53%
5.0.11731.49%
4.0.6711.45%
4.2.9691.41%
5.0.8681.39%
5.2651.33%
5.0.14571.16%
5.1.3571.16%
4.3.8561.14%
Other1,03221.05%

Trend Micro (3,322 servers)

Version Number of Servers Percent
5.71,53646.24%
5.51,22836.97%
5.1842712.85%
7.0772.32%
Other541.63%

GroupWise (3,041 servers)

Version Number of Servers Percent
7.0.21,07335.28%
7.0.142013.81%
6.5.737012.17%
6.5.42277.46%
6.5.61665.46%
6.0.41434.70%
7.01133.72%
6.5.51073.52%
6.5.11003.29%
7.0.3451.48%
6.5.2441.45%
6.0.2391.28%
6.5.3371.22%
6.0.3341.12%
Other1234.04%

XMail (2,713 servers)

Version Number of Servers Percent
1.2288632.66%
1.2461022.48%
1.2132912.13%
1.252248.26%
1.201475.42%
1.171395.12%
1.231254.61%
1.12833.06%
1.16431.58%
1.18361.33%
Other913.35%

ArGoSoft (2,654 servers)

Version Number of Servers Percent
1.8 (1.8.9.3)55821.02%
1.8 (1.8.9.1)47117.75%
1.8 (1.8.8.8)29711.19%
1.8 (1.8.8.7)2599.76%
1.8 (1.8.9.2)2158.10%
1.8 (1.8.8.9)1184.45%
1.8 (1.8.9.0)602.26%
1.8 (1.8.8.1)552.07%
1.8 (1.8.6.0)521.96%
1.8 (1.8.8.2)511.92%
1.8 (1.8.5.9)331.24%
1.8 (1.8.8.3)311.17%
1.8 (1.8.7.5)291.09%
1.8 (1.8.8.4)281.06%
Other39714.96%

SurgeSMTP (1,758 servers)

Version Number of Servers Percent
3.8k4-469239.36%
3.8i3-317810.13%
3.7b8-81025.80%
3.8f3-3955.40%
3.6f5-5693.92%
3.5b3-3623.53%
3.8f2-2563.19%
3.9a-1422.39%
3.0c2-2422.39%
3.8k2-2412.33%
3.8t-5372.10%
3.7b6-6341.93%
3.8i-1241.37%
3.8m-1221.25%
3.8o-1201.14%
2.1c7-7201.14%
3.8k-1181.02%
Other20411.60%

Qmail Toaster (1,661 servers)

Version Number of Servers Percent
1.31,22673.81%
1.235121.13%
1.0694.15%
Other150.90%

Gordano Messaging Suite (GMS) (1,008 servers)

Version Number of Servers Percent
Other1,008100.00%

Post.Office (951 servers)

Version Number of Servers Percent
3.5.324125.34%
4.0.1909.46%
3.5.3J757.89%
3.6.3565.89%
3.8.3525.47%
3.6.2394.10%
3.9.1363.79%
3.9.2.3333.47%
3.1.2J303.15%
3.9.2242.52%
3.1.2222.31%
3.9.0222.31%
3.8.7.4222.31%
3.8.4212.21%
3.9.1.3151.58%
4.0.0.2151.58%
4.1151.58%
3.5.2151.58%
3.8.2121.26%
3.6.0121.26%
4.0.0.1111.16%
3.9.2.1111.16%
Other828.62%

NetIQ MailMarshal (722 servers)

Version Number of Servers Percent
6.0.3.855677.01%
5.5.6.7405.54%
6.1.3.15364.99%
5.5.6.6162.22%
5.5.4.16162.22%
5.5.5.9152.08%
5.5.6.5111.52%
5.5.5.681.11%
Other243.32%

InterScan VirusWall (688 servers)

Version Number of Servers Percent
Other688100.00%

Mirapoint (579 servers)

Version Number of Servers Percent
3.8.4-GA11219.34%
3.8.3-GA10217.62%
3.8.5-GA7613.13%
3.8.6-GA6411.05%
3.7.5a-GA559.50%
3.8.2-GA417.08%
3.7.3a-GA274.66%
3.7.4b-GA244.15%
3.7.5-GA132.25%
3.5.8-GR101.73%
1.1.081.38%
3.7.2-GA71.21%
3.7.1-GA61.04%
Other345.87%

Interscan (547 servers)

Version Number of Servers Percent
3.55 (build 1016)8916.27%
3.8-Build_30136812.43%
3.81-Build_10226111.15%
3.55 (build 1029)539.69%
3.53 (build 2017)509.14%
3.53 (build 2011)437.86%
3.81-Build_1084397.13%
3.53 (build 2013)244.39%
3.53 (build 1493)203.66%
3.52 (build 1375)152.74%
3.55 (build 1020)142.56%
3.8-Build_108091.65%
3.81-Build_105571.28%
3.55 (build 1018)61.10%
Other498.96%

VisNetic (544 servers)

Version Number of Servers Percent
9.1.4.19517.46%
9.1.4.0539.74%
8.5.0.8448.09%
7.2.4.1376.80%
5.8.6.6346.25%
8.0.3.0285.15%
8.3.5.0285.15%
5.0.2.3254.60%
5.5.8.3234.23%
8.0.3.1193.49%
6.2.2.0193.49%
7.6.1.0162.94%
8.0.3152.76%
5.3.5.0132.39%
5.4.5.4112.02%
7.5.3.0101.84%
8.3.691.65%
8.5.0.591.65%
7.2.4.071.29%
8.3.0.161.10%
5.8.6.461.10%
6.0.9.061.10%
Other315.70%

ModusMail (227 servers)

Version Number of Servers Percent
4.35.480.08336.56%
3.2.315.02912.78%
4.2.425.222611.45%
4.1.361.212310.13%
4.35.477.0146.17%
3.1.302.0104.41%
4.3.459.093.96%
4.35.480.1183.52%
4.2.420.041.76%
4.1.361.041.76%
4.0.340.031.32%
Other146.17%

WebSTAR V (216 servers)

Version Number of Servers Percent
5.4.06530.09%
5.4.16027.78%
5.3.44721.76%
5.3.3198.80%
5.3.2177.87%
5.3.062.78%
Other20.93%

Mercury (202 servers)

Version Number of Servers Percent
1.489446.53%
3.326331.19%
3.21c188.91%
1.4473.47%
3.3173.47%
1.4762.97%
Other73.47%

Neon Mail Server (183 servers)

Version Number of Servers Percent
3.0.74625.14%
3.0.94021.86%
3.1.23217.49%
3.1.02413.11%
3.1.32413.11%
3.0.863.28%
3.0.652.73%
3.1.131.64%
3.0.521.09%
Other10.55%

MAILsweeper (98 servers)

Version Number of Servers Percent
4.3.20.02020.41%
4.3.14.01717.35%
4.3.17.01616.33%
4.3.19.01212.24%
4.3.12.077.14%
4.2.10.077.14%
4.3.1.077.14%
4.3.6.033.06%
4.2.5.033.06%
4.3.10.033.06%
4.2.1.022.04%
4.1.5.011.02%
Other00.00%

MessageWall (89 servers)

Version Number of Servers Percent
1.0.86876.40%
1.0.111820.22%
1.1.022.25%
1.0.611.12%
Other00.00%

WebSTAR (87 servers)

Version Number of Servers Percent
Other87100.00%

OpenVMS (33 servers)

Version Number of Servers Percent
8.31030.30%
8.2927.27%
7.3824.24%
7.2515.15%
6.113.03%
Other00.00%




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