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You are viewing an outdated report.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
August 1st, 2006

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 Queried1,621,765   100.0%
Number of Servers that didn't respond217,86613.43%
    Server didn't open socket210,61312.99%
    Server didn't provide banner7,2530.45%
Server provided banner1,403,89986.57%
Server banner identifies software in use894,98555.19%

As indicated by the above table, of the 1,621,765 servers queried, only 894,985 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
Sendmail307,68234.38%
Microsoft181,40920.27%
Exim149,77716.74%
Postfix108,99912.18%
IMail49,5845.54%
MDaemon20,7482.32%
MailEnable16,7821.88%
Lotus Domino9,2791.04%
Merak8,5420.95%
CommuniGate Pro5,7100.64%
GroupWise5,0310.56%
Trend Micro4,7320.53%
WinWebMail3,7540.42%
Kerio3,5790.40%
ArGoSoft3,2450.36%
XMail2,3130.26%
NetIQ MailMarshal2,1870.24%
Interscan1,7280.19%
SurgeSMTP1,5780.18%
Post.Office1,5190.17%
InterScan VirusWall1,3810.15%
ModusMail1,3280.15%
Qmail Toaster9180.10%
VisNetic7710.09%
MAILsweeper5420.06%
Mercury4560.05%
Mirapoint4440.05%
WebSTAR V3940.04%
MessageWall1950.02%
WebSTAR1880.02%
Neon Mail Server1530.02%
OpenVMS370.00%

Detailed Breakdown of Revisions on a Per-Server Basis

Sendmail (307,682 servers)

Version Number of Servers Percent
8.12.11.2006061454,51017.72%
8.11.651,75416.82%
8.13.635,98811.70%
8.12.1027,7229.01%
8.12.11.2006030824,4877.96%
8.13.117,9345.83%
8.12.1116,9055.49%
8.12.813,3024.32%
8.13.412,0853.93%
8.10.29,4853.08%
8.13.6.200606148,5742.79%
8.9.38,5362.77%
8.13.33,8091.24%
8.13.73,7501.22%
8.12.93,5241.15%
Other15,3174.98%

Microsoft (181,409 servers)

Version Number of Servers Percent
6.0.3790.183099,49954.85%
5.0.2195.671344,30224.42%
6.0.3790.21123,22412.80%
5.5.2653.134,1642.30%
6.0.3790.03,8862.14%
Other6,3343.49%

Exim (149,777 servers)

Version Number of Servers Percent
4.52109,59273.17%
4.5010,4436.97%
4.605,8983.94%
4.624,5133.01%
4.443,3892.26%
3.362,0891.39%
4.432,0881.39%
3.351,6721.12%
4.421,5621.04%
Other8,5315.70%

Postfix (108,999 servers)

Version Number of Servers Percent
Other108,999100.00%

IMail (49,584 servers)

Version Number of Servers Percent
8.1514,29428.83%
6.066,01512.13%
8.055,79311.68%
8.224,5019.08%
8.213,3536.76%
7.152,0694.17%
7.071,9543.94%
9.041,7513.53%
8.201,1202.26%
8.108511.72%
8.147201.45%
8.007111.43%
9.035861.18%
8.125371.08%
8.135341.08%
8.025321.07%
Other4,2638.60%

MDaemon (20,748 servers)

Version Number of Servers Percent
8.1.32,49412.02%
9.0.51,6798.09%
9.0.41,5607.52%
9.0.11,4466.97%
6.8.51,3396.45%
8.1.41,3026.28%
7.2.31,1185.39%
9.0.01,0334.98%
7.2.09804.72%
8.0.27523.62%
8.1.56703.23%
8.1.15952.87%
8.0.35112.46%
7.1.04882.35%
7.1.24882.35%
7.2.24462.15%
6.8.44332.09%
7.2.13921.89%
8.0.13851.86%
7.0.13841.85%
8.1.22091.01%
Other2,0449.85%

MailEnable (16,782 servers)

Version Number of Servers Percent
1.8--3,12218.60%
1.9--2,21713.21%
1.95--1,3357.95%
0-1.75-1,2297.32%
0-1.54-8555.09%
0-1.6-6894.11%
1.96--4962.96%
1.73--4772.84%
0-1.72-4092.44%
0-1.71-3992.38%
1.91--3712.21%
1.71--3211.91%
1.92--3131.87%
0-2.11-2761.64%
0--1.232221.32%
0-1.79-2151.28%
0--1.11871.11%
Other3,64921.74%

Lotus Domino (9,279 servers)

Version Number of Servers Percent
6.5.41,02611.06%
6.5.198610.63%
6.5.37107.65%
7.0.17017.55%
7.05435.85%
6.55295.70%
6.5.54895.27%
5.0.114624.98%
6.5.24374.71%
5.0.123223.47%
5.0.82722.93%
6.5.4FP22682.89%
5.0.102292.47%
5.0.13a2052.21%
6.5.4FP11942.09%
6.0.2CF11892.04%
6.0.31801.94%
6.01431.54%
5.0.91371.48%
5.0.51061.14%
6.5.3FP11051.13%
6.0.1971.05%
5.0.6a941.01%
Other8559.21%

Merak (8,542 servers)

Version Number of Servers Percent
8.0.31,82021.31%
8.3.81,42816.72%
8.5.01,05112.30%
7.4.55136.01%
7.6.44034.72%
7.5.23954.62%
8.2.43253.80%
7.4.22552.99%
7.2.02162.53%
8.3.01802.11%
6.2.11732.03%
4.4.21311.53%
7.4.01241.45%
7.6.11061.24%
5.9.4971.14%
5.5.7921.08%
8.3.6921.08%
5.8.6881.03%
Other1,05312.33%

CommuniGate Pro (5,710 servers)

Version Number of Servers Percent
4.1.892616.22%
5.0.961110.70%
4.2.1057910.14%
5.0.82814.92%
4.2.42594.54%
4.2.82163.78%
4.3.81883.29%
4.21853.24%
4.2.71702.98%
4.2.91512.64%
4.0.61462.56%
5.0.61362.38%
4.3.61332.33%
3.5.91121.96%
4.0.1941.65%
5.0.1811.42%
4.3.9801.40%
5.0.2761.33%
4.3.4761.33%
4.2.5741.30%
4.2.3731.28%
4.3.7711.24%
5.0.7661.16%
4.1.3651.14%
4.2.6641.12%
4.3.10591.03%
4.0.5591.03%
4.1.6591.03%
Other62010.86%

GroupWise (5,031 servers)

Version Number of Servers Percent
6.5.41,00820.04%
7.065112.94%
6.5.550710.08%
6.0.44719.36%
7.0.13837.61%
6.5.13496.94%
6.5.63336.62%
6.5.22344.65%
6.5.32184.33%
6.0.21583.14%
6.0.31442.86%
6.5.01352.68%
5.5.51292.56%
6.0.1941.87%
Other2174.31%

Trend Micro (4,732 servers)

Version Number of Servers Percent
5.53,33770.52%
5.784517.86%
5.184689.89%
5.15561.18%
Other260.55%

WinWebMail (3,754 servers)

Version Number of Servers Percent
3.6.3.11,20532.10%
3.7.1.172619.34%
3.7.0.570218.70%
3.7.0.760716.17%
3.7.0.345612.15%
3.7.0.1421.12%
Other160.43%

Kerio (3,579 servers)

Version Number of Servers Percent
6.1.490925.40%
6.1.356715.84%
6.1.239811.12%
6.1.02697.52%
6.0.102015.62%
6.1.11965.48%
6.0.31243.46%
6.0.8972.71%
5.7.10892.49%
6.0.6812.26%
6.0.9701.96%
6.0.7621.73%
5.7.9501.40%
5.7.4451.26%
6.0.4361.01%
6.0.1361.01%
Other3499.75%

ArGoSoft (3,245 servers)

Version Number of Servers Percent
1.8 (1.8.8.7)1,19136.70%
1.8 (1.8.8.1)2026.22%
1.8 (1.8.6.0)1464.50%
1.8 (1.8.8.5)1414.35%
1.8 (1.8.8.3)1364.19%
1.8 (1.8.8.4)1324.07%
1.8 (1.8.8.2)1293.98%
1.8 (1.8.8.6)1063.27%
1.8 (1.8.7.5)852.62%
1.8 (1.8.5.9)641.97%
1.8 (1.8.7.6)561.73%
1.8 (1.8.7.7)511.57%
1.8 (1.8.6.6)501.54%
1.8 (1.8.7.3)461.42%
1.8 (1.8.8.0)361.11%
Other67420.77%

XMail (2,313 servers)

Version Number of Servers Percent
1.2281535.24%
1.2159325.64%
1.2028312.24%
1.1723210.03%
1.18893.85%
1.12703.03%
1.16482.08%
1.10421.82%
1.11341.47%
1.15301.30%
Other773.33%

NetIQ MailMarshal (2,187 servers)

Version Number of Servers Percent
6.0.3.81,55070.87%
5.5.6.71888.60%
6.1.3.151034.71%
5.5.4.16693.16%
5.5.5.9642.93%
5.5.6.6482.19%
5.5.6.5391.78%
5.5.4.17281.28%
5.5.5.6281.28%
Other703.20%

Interscan (1,728 servers)

Version Number of Servers Percent
3.55 (build 1016)42824.77%
3.81-Build_102220912.09%
3.53 (build 2011)1719.90%
3.55 (build 1029)1528.80%
3.8-Build_30131408.10%
3.53 (build 2017)1257.23%
3.53 (build 2013)935.38%
3.52 (build 1375)724.17%
3.53 (build 1493)462.66%
3.8-Build_1080341.97%
3.55 (build 1020)301.74%
3.81-Build_1032241.39%
3.55 (build 1018)221.27%
3.81-Build_1021201.16%
3.8-Build_3065181.04%
3.81-Build_1055181.04%
Other1267.29%

SurgeSMTP (1,578 servers)

Version Number of Servers Percent
3.7b8-846529.47%
3.6f5-526416.73%
3.7b6-617210.90%
3.0c2-21439.06%
3.5b3-31408.87%
2.1c7-7422.66%
1.6e2261.65%
3.6f3-3241.52%
2.0g2-1231.46%
2.2c10-10221.39%
1.8g3201.27%
1.5c161.01%
Other22114.01%

Post.Office (1,519 servers)

Version Number of Servers Percent
3.5.359038.84%
3.5.3J15910.47%
3.6.3785.13%
3.8.3785.13%
3.6.2624.08%
3.1.2J513.36%
3.1.2503.29%
3.9.1432.83%
3.8.4402.63%
3.5.2392.57%
3.9.2301.97%
3.6.0291.91%
3.9.0281.84%
4.0.0.2241.58%
3.6181.18%
4.0.0.1171.12%
3.9.1.3161.05%
Other16710.99%

InterScan VirusWall (1,381 servers)

Version Number of Servers Percent
Other1,381100.00%

ModusMail (1,328 servers)

Version Number of Servers Percent
4.35.477.071753.99%
4.3.459.021916.49%
4.1.361.21675.05%
3.2.315.0574.29%
4.2.425.16443.31%
4.2.425.22292.18%
3.1.302.0272.03%
4.2.407.0261.96%
4.1.361.0231.73%
4.2.425.4201.51%
3.1.297.0161.20%
Other836.25%

Qmail Toaster (918 servers)

Version Number of Servers Percent
1.266772.66%
1.016217.65%
1.3889.59%
Other10.11%

VisNetic (771 servers)

Version Number of Servers Percent
8.3.5.011915.43%
7.2.4.18010.38%
8.0.3.0759.73%
7.6.1.0506.49%
8.3.6496.36%
5.0.2.3486.23%
6.2.2.0476.10%
8.0.3.1445.71%
5.8.6.6435.58%
5.5.8.3314.02%
8.0.3232.98%
5.4.5.4222.85%
7.5.3.0222.85%
5.8.6.4162.08%
5.3.5.0141.82%
8.3.0.1131.69%
5.0.1121.56%
6.0.9.0101.30%
7.2.4.0101.30%
Other435.58%

MAILsweeper (542 servers)

Version Number of Servers Percent
4.3.12.010218.82%
4.3.19.09417.34%
4.3.14.09417.34%
4.3.17.09317.16%
4.2.10.0305.54%
4.3.1.0295.35%
4.2.5.0234.24%
4.3.10.0203.69%
4.3.6.0183.32%
4.3.20.0162.95%
4.2.1.0162.95%
Other71.29%

Mercury (456 servers)

Version Number of Servers Percent
1.4820544.96%
3.3214932.68%
3.21c367.89%
3.31235.04%
1.44163.51%
1.47112.41%
3.01a81.75%
Other81.75%

Mirapoint (444 servers)

Version Number of Servers Percent
3.7.3a-GA6614.86%
3.7.5-GA4610.36%
3.7.4b-GA4610.36%
3.7.1-GA347.66%
3.7.2-GA316.98%
3.5.8-GR286.31%
3.7.5a-GA286.31%
3.8.0-FCS265.86%
3.7.3-GA143.15%
3.7.0-GA143.15%
3.5.9-GR132.93%
3.6.5-GR132.93%
1.1.0102.25%
3.6.6-GR92.03%
3.6.4-CR81.80%
3.5.7-GR61.35%
3.5.6-GR51.13%
Other4710.59%

WebSTAR V (394 servers)

Version Number of Servers Percent
5.4.011729.70%
5.4.110727.16%
5.3.49022.84%
5.3.3358.88%
5.3.2276.85%
5.3.082.03%
5.2.451.27%
5.3.151.27%
Other00.00%

MessageWall (195 servers)

Version Number of Servers Percent
1.0.815579.49%
1.0.11189.23%
1.1.2373.59%
1.0.652.56%
1.1.042.05%
1.0.921.03%
Other42.05%

WebSTAR (188 servers)

Version Number of Servers Percent
Other188100.00%

Neon Mail Server (153 servers)

Version Number of Servers Percent
3.0.78958.17%
3.0.93925.49%
3.0.8138.50%
3.0.674.58%
3.0.421.31%
3.0.521.31%
Other10.65%

OpenVMS (37 servers)

Version Number of Servers Percent
7.31643.24%
8.2924.32%
7.2924.32%
7.125.41%
6.112.70%
Other00.00%




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