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You are viewing an outdated report. The latest version of this report was published on September 1st, 2018


    
Mail (MX) Server Survey
April 1st, 2012

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 Queried2,302,234   100.0%
Number of Servers that didn't respond371,52816.14%
    Server didn't open socket360,11515.64%
    Server didn't provide banner11,4130.50%
Server provided banner1,930,70683.86%
Server banner identifies software in use1,054,46645.80%

As indicated by the above table, of the 2,302,234 servers queried, only 1,054,466 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
Exim478,51845.38%
Postfix246,25123.35%
Sendmail126,13111.96%
Microsoft117,05511.10%
MailEnable33,0953.14%
MDaemon20,9221.98%
IMail8,6380.82%
Lotus Domino4,6530.44%
WinWebMail3,7830.36%
CommuniGate Pro3,2300.31%
XMail2,2490.21%
Kerio1,9810.19%
Qmail Toaster1,6670.16%
Merak1,4870.14%
SurgeSMTP1,1990.11%
ArGoSoft9060.09%
GroupWise7000.07%
Trend Micro4070.04%
Gordano Messaging Suite (GMS)3920.04%
Post.Office3790.04%
Mirapoint2120.02%
VisNetic1570.01%
InterScan VirusWall1350.01%
Interscan640.01%
NetIQ MailMarshal540.01%
Mercury530.01%
WebSTAR V360.00%
Neon Mail Server360.00%
OpenVMS220.00%
MessageWall200.00%
ModusMail150.00%
WebSTAR120.00%
MAILsweeper70.00%

Detailed Breakdown of Revisions on a Per-Server Basis

Exim (478,518 servers)

Version Number of Servers Percent
4.69363,76876.02%
4.7638,6628.08%
4.7726,4225.52%
4.7219,9084.16%
4.677,6701.60%
4.635,5721.16%
Other16,5163.45%

Postfix (246,251 servers)

Version Number of Servers Percent
Other246,251100.00%

Sendmail (126,131 servers)

Version Number of Servers Percent
8.13.832,15125.49%
8.13.120,70316.41%
8.14.316,96313.45%
8.14.510,9828.71%
8.14.410,8608.61%
8.12.11.200603085,3314.23%
8.13.6.200606144,2163.34%
8.14.23,8293.04%
8.11.62,8022.22%
8.12.102,5582.03%
8.14.12,1831.73%
8.13.62,1681.72%
8.12.11.200606141,9651.56%
8.13.71,7251.37%
8.12.111,5491.23%
8.12.81,2981.03%
Other4,8483.84%

Microsoft (117,055 servers)

Version Number of Servers Percent
6.0.3790.467592,37978.92%
6.0.3790.395915,07512.88%
6.0.3790.18304,1563.55%
5.0.2195.73811,3631.16%
Other4,0823.49%

MailEnable (33,095 servers)

Version Number of Servers Percent
1.986--8,73626.40%
4.26--2,5907.83%
5.10--2,2736.87%
1.981--1,6975.13%
1.983--1,0613.21%
0-3.63-7932.40%
5.51--7652.31%
3.62--7432.25%
5.11--6471.95%
6.03--6161.86%
6.0--5301.60%
4.22--4471.35%
0-1.87-3991.21%
4.23--3941.19%
0-4.26-3891.18%
0-5.51-3791.15%
0-6.03-3781.14%
0-2.53-3421.03%
Other9,91629.96%

MDaemon (20,922 servers)

Version Number of Servers Percent
12.5.33,23315.45%
11.0.32,62712.56%
11.0.01,2906.17%
10.0.09204.40%
10.1.28964.28%
12.5.28544.08%
12.0.38123.88%
10.1.17193.44%
12.0.45752.75%
9.6.15472.61%
9.6.65042.41%
10.1.04692.24%
9.5.23421.63%
12.5.03391.62%
10.0.53341.60%
9.6.53311.58%
12.5.13281.57%
9.6.23181.52%
12.0.12951.41%
9.5.12951.41%
10.0.22831.35%
12.0.02761.32%
9.5.62701.29%
9.6.42461.18%
8.1.32431.16%
9.0.42271.08%
10.0.42241.07%
12.5.42141.02%
Other2,91113.91%

IMail (8,638 servers)

Version Number of Servers Percent
8.221,57618.24%
11.51,37715.94%
8.155776.68%
9.235286.11%
11.034775.52%
11.014164.82%
8.053474.02%
11.022853.30%
12.0.0.3482843.29%
10.022793.23%
11.02582.99%
7.072172.51%
9.101982.29%
7.151952.26%
9.201932.23%
8.001711.98%
6.061601.85%
10.011341.55%
9.211081.25%
Other8589.93%

Lotus Domino (4,653 servers)

Version Number of Servers Percent
8.5.370915.24%
8.5.24329.28%
8.5.2FP23327.14%
8.5.12856.13%
7.0.22345.03%
8.5.2FP32074.45%
8.51924.13%
8.5.2FP11553.33%
7.0.31322.84%
8.5.1FP51082.32%
8.0.11052.26%
8.0.21032.21%
7.0.11012.17%
6.5.4932.00%
6.5.1891.91%
7.0781.68%
6.5.3771.65%
8.0731.57%
8.5.1FP3621.33%
7.0.3FP1601.29%
8.5.2FP4601.29%
6.5.5581.25%
6.5571.23%
8.5.1FP4561.20%
7.0.2FP2501.07%
Other74516.01%

WinWebMail (3,783 servers)

Version Number of Servers Percent
3.8.1.381521.54%
3.8.0.159315.68%
3.7.6.147012.42%
3.8.1.53358.86%
3.7.3.13208.46%
3.8.1.13128.25%
3.7.7.33098.17%
3.7.1.11584.18%
3.7.5.11122.96%
3.7.7.1872.30%
3.6.3.1772.04%
3.7.0.5621.64%
3.7.0.3591.56%
3.7.0.7531.40%
Other210.56%

CommuniGate Pro (3,230 servers)

Version Number of Servers Percent
5.1.162557.89%
5.4.41755.42%
4.1.81614.98%
5.4.11253.87%
5.4.31193.68%
5.2.201183.65%
5.4.21113.44%
5.3.131083.34%
5.2.16882.72%
4.2.10792.45%
5.1.12722.23%
5.0.14662.04%
5.2.19652.01%
5.2.3631.95%
5.4.0591.83%
5.3.8591.83%
5.3.15571.76%
5.2.14561.73%
5.3.12541.67%
5.3.10521.61%
5.4491.52%
5.1.13481.49%
5.2.12471.46%
5.3.9441.36%
5.2.8391.21%
5.2.13351.08%
Other1,02631.76%

XMail (2,249 servers)

Version Number of Servers Percent
1.2251022.68%
1.2748921.74%
1.2542618.94%
1.2627312.14%
1.242169.60%
1.21914.05%
1.23552.45%
1.20421.87%
1.17341.51%
1.12331.47%
Other803.56%

Kerio (1,981 servers)

Version Number of Servers Percent
6.7.329915.09%
6.6.21959.84%
6.7.01678.43%
6.5.21447.27%
6.5.01346.76%
6.7.21185.96%
6.4.11115.60%
6.3.11005.05%
6.7.1984.95%
6.4.0763.84%
6.6.0753.79%
6.5.1713.58%
6.6.1623.13%
6.4.2482.42%
6.3.0341.72%
6.2.0251.26%
6.2.2211.06%
6.1.3211.06%
6.0.10211.06%
6.1.0211.06%
Other1407.07%

Qmail Toaster (1,667 servers)

Version Number of Servers Percent
1.31,57594.48%
1.2563.36%
1.0191.14%
Other171.02%

Merak (1,487 servers)

Version Number of Servers Percent
8.0.361441.29%
8.9.115410.36%
8.5.01087.26%
7.6.4684.57%
7.5.2684.57%
8.3.8624.17%
7.4.5563.77%
9.0.0271.82%
7.4.2231.55%
8.2.4211.41%
7.6.1201.34%
7.2.0201.34%
8.9.0191.28%
8.3.15191.28%
6.2.1191.28%
7.0.1171.14%
4.4.2161.08%
Other15610.49%

SurgeSMTP (1,199 servers)

Version Number of Servers Percent
5.3h2-233728.11%
5.2a-114512.09%
6.0a3-3877.26%
3.9e-1847.01%
4.0u4-4373.09%
3.8k4-4363.00%
6.0a2-2342.84%
5.3h-1292.42%
4.2d2-2221.83%
3.8i3-3211.75%
5.0e4-4211.75%
4.3g2-2201.67%
4.2d4-4161.33%
3.6f5-5151.25%
3.9h-18141.17%
4.2a3-3131.08%
5.0e3-3131.08%
3.9c-1131.08%
5.1c2-2121.00%
4.3e-1121.00%
3.7b8-8121.00%
Other20617.18%

ArGoSoft (906 servers)

Version Number of Servers Percent
1.8 (1.8.9.6)21223.40%
1.8 (1.8.9.5)14315.78%
1.8 (1.8.9.3)11312.47%
1.8 (1.8.9.1)808.83%
1.8 (1.8.8.8)687.51%
1.8 (1.8.8.7)495.41%
1.8 (1.8.9.2)374.08%
1.8 (1.8.9.4)222.43%
1.8 (1.8.6.0)212.32%
1.8 (1.8.8.1)151.66%
1.8 (1.8.8.9)131.43%
1.8 (1.8.8.2)111.21%
1.8 (1.8.9.0)111.21%
Other11112.25%

GroupWise (700 servers)

Version Number of Servers Percent
8.0.215622.29%
7.0.314620.86%
6.5.77210.29%
7.0.2497.00%
7.0.4476.71%
8.0.1415.86%
6.5.4294.14%
7.0.1263.71%
6.5.6223.14%
8.0.0202.86%
6.0.4182.57%
6.5.1162.29%
6.5.5142.00%
7.081.14%
Other365.14%

Trend Micro (407 servers)

Version Number of Servers Percent
5.716440.29%
5.510124.82%
5.187017.20%
7.04410.81%
7.1174.18%
Other112.70%

Gordano Messaging Suite (GMS) (392 servers)

Version Number of Servers Percent
Other392100.00%

Post.Office (379 servers)

Version Number of Servers Percent
3.5.35815.30%
4.1.0.23810.03%
4.0.1338.71%
4.1.2.4205.28%
3.5.3J184.75%
3.9.2.3153.96%
4.1.1153.96%
3.8.3123.17%
4.2102.64%
3.1.2102.64%
3.1.2J102.64%
3.9.2102.64%
4.0.1.192.37%
4.1.0.392.37%
3.8.7.482.11%
4.1.0.482.11%
3.6.271.85%
4.1.2.371.85%
4.2.161.58%
3.9.2.161.58%
4.1.2.251.32%
3.9.151.32%
4.151.32%
3.5.151.32%
4.0.0.251.32%
3.5.241.06%
3.9.2.241.06%
3.9.1.341.06%
4.0.0.141.06%
Other297.65%

Mirapoint (212 servers)

Version Number of Servers Percent
4.2.3-GA2210.38%
3.10.10a-GA219.91%
3.8.4-GA188.49%
3.10.5-GA157.08%
4.1.10-GA146.60%
3.10.9-GA125.66%
3.8.3-GA115.19%
4.1.9-GA94.25%
3.10.8-GA94.25%
4.1.3-GA83.77%
4.1.8-GA73.30%
3.10.7-GA62.83%
4.1.4-GA62.83%
4.3.3-GA62.83%
3.8.5-GA52.36%
3.10.3-GA41.89%
4.2.4-GA41.89%
3.8.7a41.89%
3.8.6-GA41.89%
3.7.5a-GA31.42%
4.1.5-GA31.42%
Other219.91%

VisNetic (157 servers)

Version Number of Servers Percent
9.3.2.04629.30%
9.1.4.12214.01%
5.8.6.695.73%
8.5.0.895.73%
5.5.8.385.10%
7.6.1.063.82%
5.0.2.363.82%
8.0.3.163.82%
8.0.353.18%
8.0.3.053.18%
7.2.4.142.55%
5.3.5.042.55%
6.2.2.031.91%
8.3.5.031.91%
5.4.5.421.27%
9.1.4.021.27%
8.3.0.121.27%
7-6-1-021.27%
Other138.28%

InterScan VirusWall (135 servers)

Version Number of Servers Percent
Other135100.00%

Interscan (64 servers)

Version Number of Servers Percent
3.55 (build 1016)1117.19%
3.81-Build_10221015.62%
3.55 (build 1029)812.50%
3.8-Build_301369.38%
3.53 (build 2017)57.81%
3.81-Build_108446.25%
3.55 (build 1020)34.69%
3.53 (build 2011)34.69%
3.53 (build 1493)34.69%
3.53 (build 2013)23.12%
3.81-Build_105523.12%
3.52 (build 1375)23.12%
3.5 (build 1294)11.56%
3.51 (build 1337)11.56%
3.6-Build_124611.56%
3.8-Build_304511.56%
3.8-Build_108011.56%
Other00.00%

NetIQ MailMarshal (54 servers)

Version Number of Servers Percent
6.0.3.83972.22%
5.5.6.759.26%
6.1.3.1535.56%
5.5.6.523.70%
5.5.5.911.85%
5.5.4.1711.85%
5.5.6.611.85%
5.5.4.1611.85%
5.5.5.611.85%
Other00.00%

Mercury (53 servers)

Version Number of Servers Percent
1.482750.94%
3.321426.42%
3.01a23.77%
1.4723.77%
3.21c23.77%
3.3023.77%
3.2111.89%
1.4411.89%
3.3111.89%
4.x11.89%
Other00.00%

WebSTAR V (36 servers)

Version Number of Servers Percent
5.4.11644.44%
5.4.0925.00%
5.3.4616.67%
5.3.3411.11%
5.3.212.78%
Other00.00%

Neon Mail Server (36 servers)

Version Number of Servers Percent
3.1.3925.00%
3.0.7925.00%
3.1.4411.11%
3.0.9411.11%
3.1.0411.11%
3.1.225.56%
3.1.112.78%
3.0.812.78%
3.1.512.78%
3.0.612.78%
Other00.00%

OpenVMS (22 servers)

Version Number of Servers Percent
8.3940.91%
7.3627.27%
8.4418.18%
6.114.55%
7.214.55%
8.214.55%
Other00.00%

MessageWall (20 servers)

Version Number of Servers Percent
1.0.81995.00%
1.0.615.00%
Other00.00%

ModusMail (15 servers)

Version Number of Servers Percent
4.35.477.0640.00%
4.35.480.0320.00%
4.1.361.2116.67%
3.2.315.016.67%
4.0.340.316.67%
4.3.459.016.67%
4.35.477.816.67%
3.1.302.016.67%
Other00.00%

WebSTAR (12 servers)

Version Number of Servers Percent
Other12100.00%

MAILsweeper (7 servers)

Version Number of Servers Percent
4.3.17.0228.57%
4.3.20.0228.57%
4.3.19.0228.57%
4.3.1.0114.29%
Other00.00%




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