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You are viewing an outdated report.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


    
Mail (MX) Server Survey
June 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 Queried1,594,604   100.0%
Number of Servers that didn't respond208,07113.05%
    Server didn't open socket201,45712.63%
    Server didn't provide banner6,6140.41%
Server provided banner1,386,53386.95%
Server banner identifies software in use887,09055.63%

As indicated by the above table, of the 1,594,604 servers queried, only 887,090 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
Sendmail312,27135.20%
Microsoft178,65720.14%
Exim142,87916.11%
Postfix105,05111.84%
IMail51,2015.77%
MDaemon20,5852.32%
MailEnable15,9651.80%
Lotus Domino9,4441.06%
Merak8,4820.96%
CommuniGate Pro5,7710.65%
GroupWise5,2880.60%
Trend Micro4,7170.53%
Kerio3,4440.39%
WinWebMail3,4440.39%
ArGoSoft3,2880.37%
NetIQ MailMarshal2,4870.28%
XMail2,2280.25%
Interscan1,9020.21%
Post.Office1,5660.18%
SurgeSMTP1,5410.17%
InterScan VirusWall1,3620.15%
ModusMail1,3610.15%
Qmail Toaster8180.09%
VisNetic7750.09%
MAILsweeper6270.07%
Mercury4740.05%
WebSTAR V4270.05%
Mirapoint4200.05%
MessageWall2150.02%
WebSTAR2140.02%
Neon Mail Server1480.02%
OpenVMS380.00%

Detailed Breakdown of Revisions on a Per-Server Basis

Sendmail (312,271 servers)

Version Number of Servers Percent
8.13.694,07230.13%
8.11.654,49117.45%
8.12.1033,58210.75%
8.12.11.2006030823,5537.54%
8.12.1117,9965.76%
8.13.117,4895.60%
8.12.814,4854.64%
8.13.412,1113.88%
8.10.210,3163.30%
8.9.39,2782.97%
8.13.33,9501.26%
8.12.93,8331.23%
Other17,1155.48%

Microsoft (178,657 servers)

Version Number of Servers Percent
6.0.3790.183089,62150.16%
5.0.2195.671347,53526.61%
6.0.3790.21125,37414.20%
5.5.2653.134,7902.68%
6.0.3790.04,3352.43%
5.0.2195.53291,7981.01%
Other5,2042.91%

Exim (142,879 servers)

Version Number of Servers Percent
4.52103,17672.21%
4.5010,4737.33%
4.605,8384.09%
4.443,7372.62%
4.612,8371.99%
4.432,5671.80%
3.362,1961.54%
3.351,8711.31%
4.421,6761.17%
4.541,5301.07%
Other6,9784.88%

Postfix (105,051 servers)

Version Number of Servers Percent
Other105,051100.00%

IMail (51,201 servers)

Version Number of Servers Percent
8.1514,91229.12%
8.056,33812.38%
6.066,27512.26%
8.224,3338.46%
8.213,8467.51%
7.152,1494.20%
7.072,0944.09%
8.201,2662.47%
9.031,1382.22%
8.108711.70%
8.147511.47%
8.007451.46%
8.135951.16%
8.125791.13%
8.025601.09%
Other4,7499.28%

MDaemon (20,585 servers)

Version Number of Servers Percent
8.1.33,07314.93%
9.0.02,34411.39%
8.1.41,8769.11%
6.8.51,4256.92%
7.2.31,2105.88%
7.2.01,0995.34%
8.1.59434.58%
9.0.19384.56%
8.0.27893.83%
8.1.16863.33%
8.0.36263.04%
7.1.05172.51%
7.1.25132.49%
7.2.25032.44%
6.8.44642.25%
7.2.14292.08%
7.0.14202.04%
8.0.14071.98%
8.1.22371.15%
Other2,08610.13%

MailEnable (15,965 servers)

Version Number of Servers Percent
1.8--3,44621.58%
1.9--1,92412.05%
0-1.75-1,4268.93%
0-1.54-1,0166.36%
1.95--8945.60%
0-1.6-8125.09%
0-1.72-5703.57%
1.73--5123.21%
0-1.71-4762.98%
1.91--4702.94%
1.92--4482.81%
1.71--3712.32%
0--1.233562.23%
0--1.12871.80%
0-1.7-1891.18%
0--1.21871.17%
1.72--1861.17%
Other2,39515.00%

Lotus Domino (9,444 servers)

Version Number of Servers Percent
6.5.41,09411.58%
6.5.11,03410.95%
6.5.37768.22%
6.55635.96%
7.05395.71%
5.0.115055.35%
6.5.24745.02%
7.0.14725.00%
6.5.54414.67%
5.0.123463.66%
6.5.4FP22983.16%
5.0.82863.03%
5.0.102532.68%
6.5.4FP12272.40%
5.0.13a2202.33%
6.0.32112.23%
6.0.2CF12002.12%
6.01521.61%
5.0.91401.48%
6.5.3FP11161.23%
5.0.51131.20%
6.0.11081.14%
5.0.6a1031.09%
Other7738.19%

Merak (8,482 servers)

Version Number of Servers Percent
8.3.82,09524.70%
8.0.31,82121.47%
7.4.55516.50%
7.6.44034.75%
8.2.43954.66%
7.5.23874.56%
7.4.22723.21%
8.3.02362.78%
7.2.02252.65%
6.2.11702.00%
4.4.21371.62%
7.4.01371.62%
8.3.61271.50%
7.6.11081.27%
5.9.41001.18%
5.5.7981.16%
5.8.6901.06%
7.0.1861.01%
Other1,04412.31%

CommuniGate Pro (5,771 servers)

Version Number of Servers Percent
4.1.898517.07%
4.2.1057810.02%
5.0.93345.79%
5.0.83255.63%
4.2.42614.52%
4.2.82273.93%
4.22123.67%
4.3.82093.62%
4.2.91873.24%
4.2.71743.02%
4.3.61542.67%
5.0.61522.63%
4.0.61512.62%
3.5.91212.10%
4.0.1971.68%
4.3.7941.63%
4.3.9901.56%
5.0.1841.46%
5.0.7831.44%
4.3.4831.44%
4.2.6821.42%
4.2.5761.32%
4.2.3741.28%
5.0.2691.20%
4.1.3661.14%
4.1.6631.09%
4.0.5611.06%
Other67911.77%

GroupWise (5,288 servers)

Version Number of Servers Percent
6.5.41,19222.54%
7.075914.35%
6.5.556610.70%
6.0.45059.55%
6.5.14157.85%
6.5.22685.07%
6.5.32604.92%
6.5.62093.95%
6.0.21893.57%
6.0.31703.21%
6.5.01603.03%
5.5.51532.89%
6.0.11041.97%
7.0.1961.82%
5.5.4571.08%
Other1853.50%

Trend Micro (4,717 servers)

Version Number of Servers Percent
5.53,58175.92%
5.760412.80%
5.184369.24%
5.15651.38%
Other310.66%

Kerio (3,444 servers)

Version Number of Servers Percent
6.1.31,02029.62%
6.1.251414.92%
6.1.03229.35%
6.1.12286.62%
6.0.102146.21%
6.0.31333.86%
6.0.81073.11%
5.7.10942.73%
6.0.6812.35%
6.0.9792.29%
6.0.7671.95%
6.1.4591.71%
5.7.4461.34%
6.0.1461.34%
5.7.9461.34%
6.0.4421.22%
6.0.5401.16%
6.0.0351.02%
Other2717.87%

WinWebMail (3,444 servers)

Version Number of Servers Percent
3.6.3.11,31338.12%
3.7.0.574421.60%
3.7.0.773121.23%
3.7.0.347313.73%
3.7.1.11233.57%
3.7.0.1461.34%
Other140.41%

ArGoSoft (3,288 servers)

Version Number of Servers Percent
1.8 (1.8.8.7)85826.09%
1.8 (1.8.8.1)2467.48%
1.8 (1.8.8.5)1845.60%
1.8 (1.8.8.3)1795.44%
1.8 (1.8.6.0)1665.05%
1.8 (1.8.8.2)1484.50%
1.8 (1.8.8.4)1454.41%
1.8 (1.8.8.6)1444.38%
1.8 (1.8.7.5)1093.32%
1.8 (1.8.5.9)752.28%
1.8 (1.8.7.6)641.95%
1.8 (1.8.6.6)591.79%
1.8 (1.8.7.3)581.76%
1.8 (1.8.7.7)481.46%
1.8 (1.8.8.0)441.34%
1.8 (1.8.3.6)361.09%
1.8 (1.8.7.1)361.09%
1.8 (1.8.4.7)341.03%
Other65519.92%

NetIQ MailMarshal (2,487 servers)

Version Number of Servers Percent
6.0.3.81,74069.96%
5.5.6.72249.01%
6.1.3.151315.27%
5.5.5.9742.98%
5.5.4.16692.77%
5.5.6.6582.33%
5.5.6.5491.97%
5.5.5.6331.33%
5.5.4.17321.29%
Other773.10%

XMail (2,228 servers)

Version Number of Servers Percent
1.2264929.13%
1.2160927.33%
1.2033014.81%
1.1724110.82%
1.18964.31%
1.12693.10%
1.16502.24%
1.10462.06%
1.11371.66%
1.15331.48%
Other683.05%

Interscan (1,902 servers)

Version Number of Servers Percent
3.55 (build 1016)48625.55%
3.81-Build_102221011.04%
3.53 (build 2011)19710.36%
3.55 (build 1029)1538.04%
3.8-Build_30131447.57%
3.53 (build 2017)1377.20%
3.53 (build 2013)1035.42%
3.52 (build 1375)774.05%
3.55 (build 1020)552.89%
3.53 (build 1493)522.73%
3.8-Build_1080412.16%
3.81-Build_1055221.16%
3.55 (build 1018)221.16%
3.81-Build_1032201.05%
Other1839.62%

Post.Office (1,566 servers)

Version Number of Servers Percent
3.5.364140.93%
3.5.3J1529.71%
3.8.3805.11%
3.6.3674.28%
3.6.2674.28%
3.1.2J573.64%
3.1.2553.51%
3.9.1462.94%
3.5.2442.81%
3.8.4402.55%
3.9.2322.04%
3.9.0301.92%
3.6.0291.85%
3.6271.72%
4.0.0.2241.53%
3.9.1.3161.02%
4.0.0.1161.02%
Other1439.13%

SurgeSMTP (1,541 servers)

Version Number of Servers Percent
3.6f5-559038.29%
3.0c2-215810.25%
3.5b3-315510.06%
3.7b3-31076.94%
2.1c7-7493.18%
3.7c-3352.27%
3.7b5-5312.01%
2.2c10-10291.88%
1.6e2271.75%
3.7a-15271.75%
3.7b-2251.62%
2.0g2-1251.62%
3.6f3-3241.56%
1.8g3221.43%
3.7c-14201.30%
Other21714.08%

InterScan VirusWall (1,362 servers)

Version Number of Servers Percent
Other1,362100.00%

ModusMail (1,361 servers)

Version Number of Servers Percent
4.3.459.058342.84%
4.2.425.2217312.71%
4.1.361.2115311.24%
4.2.425.4967.05%
4.2.425.16755.51%
3.2.315.0584.26%
4.2.407.0322.35%
4.1.361.0292.13%
3.1.302.0271.98%
4.0.340.0181.32%
3.1.297.0171.25%
4.2.420.0141.03%
Other866.32%

Qmail Toaster (818 servers)

Version Number of Servers Percent
1.264578.85%
1.017120.90%
Other20.24%

VisNetic (775 servers)

Version Number of Servers Percent
8.3.5.09912.77%
8.0.3.0709.03%
7.2.4.1688.77%
5.8.6.6628.00%
7.6.1.0597.61%
5.0.2.3506.45%
8.0.3.1496.32%
6.2.2.0476.06%
8.3.6344.39%
5.5.8.3273.48%
8.0.3253.23%
7.5.3.0253.23%
5.4.5.4243.10%
8.3.0.1202.58%
5.8.6.4182.32%
5.3.5.0162.06%
6.0.9.0121.55%
5.0.1121.55%
5.0.2.1101.29%
7.2.4.091.16%
Other395.03%

MAILsweeper (627 servers)

Version Number of Servers Percent
4.3.19.012019.14%
4.3.12.011718.66%
4.3.14.011217.86%
4.3.17.010216.27%
4.2.10.0406.38%
4.3.1.0355.58%
4.2.5.0264.15%
4.3.10.0253.99%
4.3.6.0213.35%
4.2.1.0182.87%
Other111.75%

Mercury (474 servers)

Version Number of Servers Percent
1.4821044.30%
3.3216234.18%
3.21c388.02%
3.31234.85%
1.44153.16%
1.47102.11%
3.01a81.69%
Other81.69%

WebSTAR V (427 servers)

Version Number of Servers Percent
5.4.012930.21%
5.4.111426.70%
5.3.49422.01%
5.3.3388.90%
5.3.2296.79%
5.3.0112.58%
5.2.461.41%
5.3.151.17%
Other10.23%

Mirapoint (420 servers)

Version Number of Servers Percent
3.7.3a-GA6214.76%
3.7.4b-GA4510.71%
3.7.2-GA4310.24%
3.7.1-GA409.52%
3.5.8-GR368.57%
3.7.5-GA368.57%
3.7.0-GA174.05%
3.5.9-GR174.05%
3.7.3-GA163.81%
3.6.5-GR133.10%
3.6.4-CR122.86%
1.1.0102.38%
3.6.6-GR92.14%
3.5.7-GR71.67%
3.5.3-GR61.43%
3.4.6-GR51.19%
3.5.6-GR51.19%
Other419.76%

MessageWall (215 servers)

Version Number of Servers Percent
1.0.818083.72%
1.0.9146.51%
1.1.2373.26%
1.1.062.79%
1.0.652.33%
Other31.40%

WebSTAR (214 servers)

Version Number of Servers Percent
Other214100.00%

Neon Mail Server (148 servers)

Version Number of Servers Percent
3.0.78859.46%
3.0.92416.22%
3.0.81912.84%
3.0.6117.43%
3.0.532.03%
3.0.432.03%
Other00.00%

OpenVMS (38 servers)

Version Number of Servers Percent
7.31539.47%
8.21026.32%
7.2923.68%
7.125.26%
6.125.26%
Other00.00%




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