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You are viewing an outdated report.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


    
Mail (MX) Server Survey
July 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 Queried1,882,601   100.0%
Number of Servers that didn't respond302,60716.07%
    Server didn't open socket290,84615.45%
    Server didn't provide banner11,7610.62%
Server provided banner1,579,99483.93%
Server banner identifies software in use925,65049.17%

As indicated by the above table, of the 1,882,601 servers queried, only 925,650 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
Sendmail230,83024.94%
Exim218,27723.58%
Microsoft202,10821.83%
Postfix155,20516.77%
MailEnable24,6232.66%
IMail23,3512.52%
MDaemon23,0652.49%
Lotus Domino6,5800.71%
Kerio5,9190.64%
Merak5,6300.61%
WinWebMail5,0110.54%
CommuniGate Pro4,8520.52%
Trend Micro2,8480.31%
GroupWise2,7820.30%
XMail2,7290.29%
ArGoSoft2,4910.27%
SurgeSMTP1,7670.19%
Qmail Toaster1,7210.19%
Gordano Messaging Suite (GMS)9380.10%
Post.Office8610.09%
InterScan VirusWall6250.07%
Mirapoint6000.06%
NetIQ MailMarshal5800.06%
VisNetic4980.05%
MagicMail4160.04%
Interscan4050.04%
WebSTAR V1890.02%
Mercury1850.02%
Neon Mail Server1830.02%
ModusMail1150.01%
MessageWall780.01%
WebSTAR770.01%
MAILsweeper770.01%
OpenVMS340.00%

Detailed Breakdown of Revisions on a Per-Server Basis

Sendmail (230,830 servers)

Version Number of Servers Percent
8.13.136,38515.76%
8.12.11.2006061433,11614.35%
8.13.622,3079.66%
8.12.11.2006030820,8889.05%
8.13.817,9907.79%
8.11.617,8087.71%
8.12.1012,8825.58%
8.13.6.2006061410,8894.72%
8.14.19,2824.02%
8.12.117,5333.26%
8.13.46,6922.90%
8.12.85,5962.42%
8.13.75,4982.38%
8.14.25,3482.32%
8.9.33,2031.39%
8.10.22,7171.18%
8.14.32,3251.01%
Other10,3714.49%

Exim (218,277 servers)

Version Number of Servers Percent
4.68133,83061.31%
4.6326,92612.34%
4.6921,4869.84%
4.677,1623.28%
4.605,5652.55%
4.505,2442.40%
4.665,0682.32%
4.624,2901.97%
Other8,7063.99%

Microsoft (202,108 servers)

Version Number of Servers Percent
6.0.3790.3959137,58168.07%
6.0.3790.183038,38218.99%
5.0.2195.671316,3118.07%
6.0.3790.2115,7922.87%
Other4,0422.00%

Postfix (155,205 servers)

Version Number of Servers Percent
Other155,205100.00%

MailEnable (24,623 servers)

Version Number of Servers Percent
1.981--5,89823.95%
1.983--3,07012.47%
1.96--1,5536.31%
1.95--1,4225.78%
1.9--1,1634.72%
0-3.14-9994.06%
1.986--9553.88%
1.8--9453.84%
0-2.37-7953.23%
0-1.85-7252.94%
0--3.145182.10%
0-2.38-3861.57%
0-2.36-3751.52%
0-3.04-3451.40%
0-2.52-3371.37%
0--2.372741.11%
Other4,86319.75%

IMail (23,351 servers)

Version Number of Servers Percent
8.224,91021.03%
8.154,09017.52%
9.232,3059.87%
8.051,4256.10%
9.101,2005.14%
10.01,1434.89%
7.079153.92%
9.218833.78%
7.158553.66%
9.227143.06%
6.066252.68%
8.005082.18%
9.205002.14%
8.214241.82%
8.043431.47%
8.012661.14%
8.102601.11%
8.202471.06%
Other1,7387.44%

MDaemon (23,065 servers)

Version Number of Servers Percent
9.6.55,70824.75%
9.6.41,7447.56%
9.6.11,4666.36%
9.6.21,1695.07%
8.1.39784.24%
9.5.69414.08%
9.0.48463.67%
9.6.38033.48%
9.5.27763.36%
9.5.16742.92%
6.8.55412.35%
7.2.35182.25%
7.2.04451.93%
9.0.14251.84%
9.6.63961.72%
9.5.53411.48%
9.0.03321.44%
8.0.23271.42%
8.1.43221.40%
9.5.42851.24%
8.1.12801.21%
9.6.02661.15%
8.1.52351.02%
9.5.32331.01%
Other3,01413.07%

Lotus Domino (6,580 servers)

Version Number of Servers Percent
7.0.277511.78%
8.0.14897.43%
6.5.44006.08%
7.0.13986.05%
7.0.2FP23785.74%
7.0.33735.67%
6.5.13315.03%
6.5.33074.67%
6.5.52734.15%
8.02674.06%
7.02654.03%
6.52233.39%
7.0.2FP12003.04%
5.0.111422.16%
6.5.21362.07%
7.0.3FP11161.76%
5.0.12891.35%
6.5.6841.28%
5.0.13a791.20%
5.0.8771.17%
7.0.1FP1721.09%
5.0.10701.06%
6.5.5FP2691.05%
Other96714.70%

Kerio (5,919 servers)

Version Number of Servers Percent
6.5.01,39623.59%
6.5.192015.54%
6.4.173012.33%
6.3.159910.12%
6.4.25689.60%
6.4.04136.98%
6.3.02283.85%
6.1.3961.62%
6.2.2941.59%
6.2.0891.50%
6.1.0821.39%
6.0.10791.33%
6.1.2721.22%
6.1.4661.12%
6.0.3621.05%
Other4257.18%

Merak (5,630 servers)

Version Number of Servers Percent
8.0.32,09537.21%
8.9.161910.99%
8.5.04007.10%
7.4.52794.96%
8.3.82554.53%
7.5.22524.48%
7.6.42514.46%
7.4.21302.31%
9.0.01252.22%
7.2.0911.62%
8.2.4841.49%
6.2.1821.46%
7.6.1781.39%
8.9.0661.17%
Other82314.62%

WinWebMail (5,011 servers)

Version Number of Servers Percent
3.7.3.11,36627.26%
3.7.6.199219.80%
3.7.1.182416.44%
3.7.5.14969.90%
3.6.3.14458.88%
3.7.0.53717.40%
3.7.0.32364.71%
3.7.0.72304.59%
Other511.02%

CommuniGate Pro (4,852 servers)

Version Number of Servers Percent
4.1.84489.23%
4.2.102835.83%
5.1.132745.65%
5.1.122475.09%
5.2.32475.09%
5.2.01753.61%
5.1.141663.42%
5.1.161613.32%
5.1.101553.19%
5.0.91523.13%
5.0.131392.86%
5.2.21212.49%
5.2.11122.31%
5.1.71072.21%
5.1.81062.18%
5.1.91032.12%
5.1.111002.06%
5.0.14821.69%
4.2.8781.61%
4.2721.48%
4.2.7691.42%
5.1.5691.42%
4.2.9681.40%
4.0.6611.26%
5.0.8601.24%
5.0.11581.20%
4.3.12581.20%
5.1.3531.09%
Other1,02821.19%

Trend Micro (2,848 servers)

Version Number of Servers Percent
5.71,33646.91%
5.598634.62%
5.1839513.87%
7.0852.98%
Other461.62%

GroupWise (2,782 servers)

Version Number of Servers Percent
7.0.274426.74%
7.0.347016.89%
6.5.732011.50%
7.0.131411.29%
6.5.42057.37%
6.5.61435.14%
6.0.41204.31%
7.0853.06%
6.5.5812.91%
6.5.1812.91%
6.5.2391.40%
6.5.3291.04%
6.5.0281.01%
Other1234.42%

XMail (2,729 servers)

Version Number of Servers Percent
1.2283830.71%
1.2457120.92%
1.2542915.72%
1.2128810.55%
1.201395.09%
1.171204.40%
1.231164.25%
1.12802.93%
1.16431.58%
Other1053.85%

ArGoSoft (2,491 servers)

Version Number of Servers Percent
1.8 (1.8.9.3)47819.19%
1.8 (1.8.9.1)33913.61%
1.8 (1.8.9.5)24910.00%
1.8 (1.8.8.8)2479.92%
1.8 (1.8.8.7)2178.71%
1.8 (1.8.9.2)1536.14%
1.8 (1.8.8.9)893.57%
1.8 (1.8.9.4)863.45%
1.8 (1.8.9.0)502.01%
1.8 (1.8.8.1)491.97%
1.8 (1.8.6.0)471.89%
1.8 (1.8.8.2)421.69%
1.8 (1.8.7.5)271.08%
1.8 (1.8.5.9)261.04%
Other39215.74%

SurgeSMTP (1,767 servers)

Version Number of Servers Percent
3.9e-139922.58%
3.9c-135820.26%
3.8k4-426214.83%
3.8f3-3884.98%
3.7b8-8864.87%
3.8i3-3794.47%
3.6f5-5683.85%
3.5b3-3563.17%
3.8f2-2472.66%
3.0c2-2402.26%
3.7b6-6301.70%
3.8k2-2211.19%
3.8i-1181.02%
Other21512.17%

Qmail Toaster (1,721 servers)

Version Number of Servers Percent
1.31,34578.15%
1.229817.32%
1.0633.66%
Other150.87%

Gordano Messaging Suite (GMS) (938 servers)

Version Number of Servers Percent
Other938100.00%

Post.Office (861 servers)

Version Number of Servers Percent
3.5.321825.32%
4.0.1869.99%
3.5.3J637.32%
3.8.3485.57%
3.6.3445.11%
3.6.2333.83%
3.9.1293.37%
3.9.2.3283.25%
4.1.0.2263.02%
3.1.2J263.02%
3.9.2222.56%
3.1.2212.44%
3.9.0212.44%
3.8.7.4202.32%
3.8.4202.32%
3.5.2141.63%
4.1131.51%
4.0.0.2121.39%
3.9.2.1111.28%
3.8.2111.28%
4.0.0.1111.28%
3.9.1.3111.28%
3.6.091.05%
Other647.43%

InterScan VirusWall (625 servers)

Version Number of Servers Percent
Other625100.00%

Mirapoint (600 servers)

Version Number of Servers Percent
3.8.4-GA11519.17%
3.8.3-GA9616.00%
3.8.6-GA8614.33%
3.8.5-GA6611.00%
3.7.5a-GA518.50%
3.8.2-GA335.50%
3.8.7a274.50%
3.7.3a-GA233.83%
3.7.4b-GA233.83%
3.7.5-GA122.00%
3.5.8-GR101.67%
1.1.081.33%
4.0.5a71.17%
Other437.17%

NetIQ MailMarshal (580 servers)

Version Number of Servers Percent
6.0.3.844276.21%
6.1.3.15345.86%
5.5.6.7345.86%
5.5.6.6142.41%
5.5.5.9132.24%
5.5.4.16111.90%
5.5.6.591.55%
5.5.5.671.21%
Other162.76%

VisNetic (498 servers)

Version Number of Servers Percent
9.1.4.111222.49%
9.1.4.05010.04%
8.5.0.8346.83%
5.8.6.6275.42%
8.3.5.0244.82%
7.2.4.1244.82%
5.0.2.3234.62%
8.0.3.0224.42%
5.5.8.3183.61%
8.0.3.1183.61%
6.2.2.0173.41%
5.3.5.0153.01%
7.6.1.0142.81%
8.3.6122.41%
7.5.3.0112.21%
8.0.3112.21%
5.4.5.491.81%
7.2.4.071.41%
8.5.0.561.20%
8.3.0.161.20%
5.8.6.461.20%
Other326.43%

MagicMail (416 servers)

Version Number of Servers Percent
Other416100.00%

Interscan (405 servers)

Version Number of Servers Percent
3.55 (build 1016)7518.52%
3.81-Build_10225914.57%
3.55 (build 1029)4110.12%
3.53 (build 2017)409.88%
3.53 (build 2011)297.16%
3.8-Build_3013256.17%
3.53 (build 1493)204.94%
3.81-Build_1084184.44%
3.53 (build 2013)184.44%
3.55 (build 1020)133.21%
3.52 (build 1375)122.96%
3.8-Build_108071.73%
3.8-Build_306551.23%
3.55 (build 1018)51.23%
Other389.38%

WebSTAR V (189 servers)

Version Number of Servers Percent
5.4.15931.22%
5.4.04523.81%
5.3.44322.75%
5.3.32010.58%
5.3.2157.94%
5.3.052.65%
Other21.06%

Mercury (185 servers)

Version Number of Servers Percent
1.488545.95%
3.326032.43%
3.21c189.73%
1.4452.70%
1.4752.70%
3.3152.70%
1.4921.08%
3.2121.08%
Other31.62%

Neon Mail Server (183 servers)

Version Number of Servers Percent
3.1.34524.59%
3.0.73720.22%
3.0.93318.03%
3.1.23116.94%
3.1.02212.02%
3.0.852.73%
3.0.642.19%
3.1.131.64%
3.0.521.09%
Other10.55%

ModusMail (115 servers)

Version Number of Servers Percent
4.35.480.03732.17%
3.2.315.01714.78%
4.35.477.01210.43%
4.35.480.1176.09%
4.3.459.076.09%
3.1.302.065.22%
4.1.361.043.48%
4.2.420.043.48%
4.1.361.2132.61%
4.0.340.032.61%
4.4.568.021.74%
4.2.420.121.74%
3.1.293.121.74%
4.2.425.421.74%
Other76.09%

MessageWall (78 servers)

Version Number of Servers Percent
1.0.86076.92%
1.0.111620.51%
1.1.022.56%
Other00.00%

WebSTAR (77 servers)

Version Number of Servers Percent
Other77100.00%

MAILsweeper (77 servers)

Version Number of Servers Percent
4.3.20.01924.68%
4.3.17.01316.88%
4.3.14.01114.29%
4.3.19.01012.99%
4.3.1.067.79%
4.2.10.056.49%
4.3.6.045.19%
4.3.12.045.19%
4.3.10.022.60%
4.2.1.011.30%
4.2.5.011.30%
4.1.5.011.30%
Other00.00%

OpenVMS (34 servers)

Version Number of Servers Percent
8.31441.18%
7.3926.47%
8.2617.65%
7.2411.76%
6.112.94%
Other00.00%




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