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You are viewing an outdated report. The latest version of this report was published on January 1st, 2020


    
Mail (MX) Server Survey
November 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 Queried2,394,282   100.0%
Number of Servers that didn't respond402,62516.82%
    Server didn't open socket391,85216.37%
    Server didn't provide banner10,7730.45%
Server provided banner1,991,65783.18%
Server banner identifies software in use1,090,56945.55%

As indicated by the above table, of the 2,394,282 servers queried, only 1,090,569 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
Exim512,24546.97%
Postfix273,56225.08%
Sendmail120,50511.05%
Microsoft99,9889.17%
MailEnable33,3783.06%
MDaemon20,9461.92%
IMail7,5130.69%
Lotus Domino4,6380.43%
WinWebMail3,3250.30%
CommuniGate Pro3,1890.29%
XMail2,1670.20%
Qmail Toaster1,6770.15%
Kerio1,6730.15%
Merak1,2760.12%
SurgeSMTP1,0540.10%
ArGoSoft7700.07%
GroupWise5310.05%
Post.Office3780.03%
Trend Micro3640.03%
Gordano Messaging Suite (GMS)3540.03%
MagicMail3150.03%
Mirapoint1720.02%
InterScan VirusWall1350.01%
VisNetic1280.01%
Mercury540.00%
Interscan490.00%
NetIQ MailMarshal380.00%
WebSTAR V300.00%
Neon Mail Server270.00%
OpenSMTPD220.00%
OpenVMS180.00%
MessageWall180.00%
ModusMail130.00%
WebSTAR120.00%
MAILsweeper50.00%

Detailed Breakdown of Revisions on a Per-Server Basis

Exim (512,245 servers)

Version Number of Servers Percent
4.80266,55252.04%
4.77107,35220.96%
4.7649,9799.76%
4.6937,1467.25%
4.7224,7084.82%
4.676,0981.19%
Other20,4103.98%

Postfix (273,562 servers)

Version Number of Servers Percent
Other273,562100.00%

Sendmail (120,505 servers)

Version Number of Servers Percent
8.13.832,33426.83%
8.13.118,23215.13%
8.14.316,09213.35%
8.14.512,97110.76%
8.14.411,3439.41%
8.12.11.200603084,7313.93%
8.13.6.200606143,7243.09%
8.14.23,4132.83%
8.11.62,3871.98%
8.12.102,0941.74%
8.14.11,9161.59%
8.13.61,7631.46%
8.12.11.200606141,5981.33%
8.13.71,4471.20%
8.12.111,2811.06%
Other5,1794.30%

Microsoft (99,988 servers)

Version Number of Servers Percent
6.0.3790.467580,38580.39%
6.0.3790.395911,24311.24%
6.0.3790.18303,0203.02%
7.5.7601.175141,5751.58%
5.0.2195.73811,0821.08%
Other2,6832.68%

MailEnable (33,378 servers)

Version Number of Servers Percent
1.986--7,31021.90%
5.10--2,6477.93%
4.26--2,3236.96%
1.981--1,3083.92%
6.0--1,2983.89%
6.5--1,1523.45%
1.983--8062.41%
6.03--7072.12%
0-3.63-6962.09%
3.62--6181.85%
5.51--6161.85%
5.11--5481.64%
6.53--5131.54%
6.60--4111.23%
0-1.87-3691.11%
4.22--3371.01%
0-4.26-3341.00%
Other11,38534.11%

MDaemon (20,946 servers)

Version Number of Servers Percent
13.0.02,27510.86%
11.0.32,27410.86%
12.5.61,8668.91%
11.0.01,3106.25%
10.0.08103.87%
10.1.27423.54%
12.5.47343.50%
10.1.16903.29%
12.5.75942.84%
13.0.15822.78%
12.5.35222.49%
9.6.15102.43%
9.6.64672.23%
12.0.34622.21%
10.1.04452.12%
12.5.23211.53%
12.0.43211.53%
9.6.23101.48%
9.5.22901.38%
9.6.52801.34%
10.0.52801.34%
10.0.22541.21%
9.5.12411.15%
9.6.42361.13%
9.5.62331.11%
Other3,89718.60%

IMail (7,513 servers)

Version Number of Servers Percent
8.221,37218.26%
11.590212.01%
12.1.0.2706909.18%
9.234676.22%
8.154536.03%
11.033975.28%
11.013654.86%
8.052883.83%
10.022162.88%
12.0.0.3842112.81%
12.2.0.1691792.38%
7.071652.20%
11.021542.05%
11.01542.05%
8.001391.85%
6.061311.74%
7.151261.68%
10.011251.66%
12.0.0.3481121.49%
9.21851.13%
9.10791.05%
Other7039.36%

Lotus Domino (4,638 servers)

Version Number of Servers Percent
8.5.382217.72%
8.5.23367.24%
8.5.2FP22565.52%
8.5.3FP12515.41%
8.5.3FP22365.09%
8.5.12274.89%
7.0.21974.25%
8.51573.39%
8.5.2FP31413.04%
7.0.31122.41%
8.5.2FP41062.29%
8.5.2FP11042.24%
8.5.1FP5992.13%
7.0.1901.94%
8.0.1871.88%
8.0.2841.81%
6.5.4831.79%
6.5.3821.77%
6.5.1761.64%
7.0681.47%
8.0641.38%
6.5.5521.12%
8.5.1FP4491.06%
8.5.1FP3491.06%
6.5471.01%
Other76316.45%

WinWebMail (3,325 servers)

Version Number of Servers Percent
3.8.1.367420.27%
3.8.0.144613.41%
3.7.6.136110.86%
3.8.1.53279.83%
3.8.2.13179.53%
3.7.3.12597.79%
3.8.1.12457.37%
3.7.7.32276.83%
3.7.1.11223.67%
3.7.5.1882.65%
3.7.7.1581.74%
3.6.3.1531.59%
3.7.0.5461.38%
3.7.0.3431.29%
3.7.0.7361.08%
Other230.69%

CommuniGate Pro (3,189 servers)

Version Number of Servers Percent
5.1.162497.81%
5.4.71434.48%
5.4.41404.39%
5.4.61384.33%
4.1.81374.30%
5.4.51243.89%
5.2.201043.26%
5.3.13912.85%
5.4.1852.67%
4.2.10782.45%
5.2.16782.45%
5.4.2742.32%
5.2.3652.04%
5.0.14642.01%
5.1.12621.94%
5.3.15601.88%
5.2.19601.88%
5.4.3591.85%
5.2.14471.47%
5.2.12421.32%
5.4.0391.22%
5.3.8391.22%
5.2.13371.16%
5.4371.16%
5.3.9371.16%
5.1.13371.16%
5.3.10351.10%
5.3.12341.07%
6.0341.07%
Other96030.10%

XMail (2,167 servers)

Version Number of Servers Percent
1.2758126.81%
1.2250223.17%
1.2538017.54%
1.2625211.63%
1.241727.94%
1.21833.83%
1.23502.31%
1.17321.48%
1.20311.43%
Other843.88%

Qmail Toaster (1,677 servers)

Version Number of Servers Percent
1.31,59495.05%
1.2502.98%
Other331.97%

Kerio (1,673 servers)

Version Number of Servers Percent
6.7.326115.60%
6.6.21679.98%
6.7.01549.21%
6.5.01277.59%
6.5.21046.22%
6.4.11005.98%
6.7.2995.92%
6.7.1875.20%
6.3.1744.42%
6.4.0653.89%
6.6.1593.53%
6.6.0583.47%
6.5.1583.47%
6.4.2352.09%
6.3.0331.97%
6.2.0191.14%
6.0.10191.14%
6.1.4181.08%
Other1368.13%

Merak (1,276 servers)

Version Number of Servers Percent
8.0.350439.50%
8.9.113610.66%
8.5.0947.37%
7.5.2604.70%
8.3.8564.39%
7.6.4544.23%
7.4.5514.00%
7.4.2262.04%
9.0.0241.88%
7.2.0191.49%
7.6.1181.41%
8.9.0171.33%
7.0.1171.33%
8.2.4161.25%
4.4.2151.18%
8.3.15151.18%
6.2.1151.18%
Other13910.89%

SurgeSMTP (1,054 servers)

Version Number of Servers Percent
6.1c-123322.11%
5.3h2-213312.62%
5.2a-110810.25%
3.9e-1635.98%
6.0a5-5535.03%
6.0a4-4333.13%
3.8k4-4302.85%
4.0u4-4252.37%
5.0e4-4222.09%
4.2d2-2201.90%
3.8i3-3161.52%
5.3h-1151.42%
3.9h-18141.33%
6.0a3-3131.23%
5.0e3-3121.14%
4.3g2-2121.14%
4.2d4-4121.14%
3.6f5-5121.14%
3.7b8-8111.04%
3.9c-1111.04%
4.3g4-4111.04%
Other19518.50%

ArGoSoft (770 servers)

Version Number of Servers Percent
1.8 (1.8.9.6)18724.29%
1.8 (1.8.9.5)11314.68%
1.8 (1.8.9.3)10012.99%
1.8 (1.8.9.1)759.74%
1.8 (1.8.8.8)557.14%
1.8 (1.8.8.7)455.84%
1.8 (1.8.9.2)263.38%
1.8 (1.8.9.4)212.73%
1.8 (1.8.6.0)162.08%
1.8 (1.8.8.1)131.69%
1.8 (1.8.8.9)121.56%
Other10713.90%

GroupWise (531 servers)

Version Number of Servers Percent
8.0.211020.72%
7.0.310219.21%
6.5.76211.68%
7.0.4366.78%
7.0.2326.03%
6.5.6244.52%
8.0.1224.14%
6.5.4213.95%
7.0.1193.58%
6.0.4152.82%
6.5.1142.64%
12.0.0122.26%
8.0.0112.07%
7.091.69%
8.0.381.51%
12.0.171.32%
6.5.571.32%
Other203.77%

Post.Office (378 servers)

Version Number of Servers Percent
3.5.35213.76%
4.1.0.2359.26%
4.1.2.4287.41%
4.0.1277.14%
4.1.1153.97%
3.9.2.3143.70%
3.5.3J143.70%
3.8.3133.44%
4.2123.17%
3.9.2102.65%
4.1.0.3102.65%
3.1.292.38%
4.0.1.192.38%
3.1.2J92.38%
3.6.282.12%
3.8.7.482.12%
4.1.0.482.12%
4.1.2.371.85%
4.2.1.161.59%
3.9.1.261.59%
4.2.161.59%
3.9.161.59%
4.2.1.351.32%
4.1.2.251.32%
3.9.1.351.32%
4.0.0.141.06%
4.141.06%
3.9.2.141.06%
3.5.141.06%
3.9.2.241.06%
Other318.20%

Trend Micro (364 servers)

Version Number of Servers Percent
5.714339.29%
5.58523.35%
5.186618.13%
7.0369.89%
7.1236.32%
Other113.02%

Gordano Messaging Suite (GMS) (354 servers)

Version Number of Servers Percent
Other354100.00%

MagicMail (315 servers)

Version Number of Servers Percent
Other315100.00%

Mirapoint (172 servers)

Version Number of Servers Percent
3.10.10a-GA2112.21%
4.1.10-GA148.14%
4.2.3-GA148.14%
4.3.5-GA105.81%
4.1.9-GA105.81%
4.3.3-GA84.65%
4.1.3-GA84.65%
3.10.5-GA84.65%
3.10.9-GA84.65%
3.10.8-GA74.07%
4.1.4-GA63.49%
3.8.3-GA63.49%
3.8.4-GA52.91%
3.10.7-GA52.91%
4.2.4-GA52.91%
4.1.8-GA42.33%
3.8.5-GA42.33%
4.3.4-GA42.33%
4.1.5-GA31.74%
3.8.7a31.74%
3.7.5a-GA31.74%
3.8.6-GA31.74%
3.10.3-GA21.16%
3.10.2-GA21.16%
4.0.5a21.16%
Other74.07%

InterScan VirusWall (135 servers)

Version Number of Servers Percent
Other135100.00%

VisNetic (128 servers)

Version Number of Servers Percent
9.3.2.03728.91%
9.1.4.11814.06%
5.5.8.375.47%
8.5.0.864.69%
8.0.3.164.69%
5.8.6.653.91%
7.6.1.053.91%
8.0.343.12%
5.0.2.343.12%
8.0.3.043.12%
6.2.2.043.12%
7.2.4.132.34%
9.1.4.032.34%
6.0.9.021.56%
5.8.6.421.56%
5.4.5.421.56%
8.3.5.021.56%
5.3.5.021.56%
Other129.38%

Mercury (54 servers)

Version Number of Servers Percent
1.482953.70%
3.321629.63%
3.01a23.70%
1.4723.70%
3.21c23.70%
3.2111.85%
1.4411.85%
3.3011.85%
Other00.00%

Interscan (49 servers)

Version Number of Servers Percent
3.55 (build 1016)1122.45%
3.81-Build_10221020.41%
3.55 (build 1029)612.24%
3.8-Build_301348.16%
3.53 (build 1493)36.12%
3.53 (build 2011)36.12%
3.53 (build 2017)36.12%
3.53 (build 2013)24.08%
3.81-Build_108424.08%
3.5 (build 1294)12.04%
3.51 (build 1337)12.04%
3.55 (build 1020)12.04%
3.8-Build_304512.04%
3.8-Build_108012.04%
Other00.00%

NetIQ MailMarshal (38 servers)

Version Number of Servers Percent
6.0.3.82771.05%
5.5.6.7410.53%
5.5.6.525.26%
5.5.6.625.26%
5.5.4.1712.63%
6.1.3.1512.63%
5.5.4.1612.63%
Other00.00%

WebSTAR V (30 servers)

Version Number of Servers Percent
5.4.11550.00%
5.4.0930.00%
5.3.3310.00%
5.3.226.67%
5.3.413.33%
Other00.00%

Neon Mail Server (27 servers)

Version Number of Servers Percent
3.0.7725.93%
3.1.3622.22%
3.1.0414.81%
3.1.4311.11%
3.1.2311.11%
3.1.113.70%
3.1.513.70%
3.0.613.70%
3.0.913.70%
Other00.00%

OpenSMTPD (22 servers)

Version Number of Servers Percent
Other22100.00%

OpenVMS (18 servers)

Version Number of Servers Percent
8.3844.44%
8.4527.78%
7.3316.67%
6.115.56%
8.215.56%
Other00.00%

MessageWall (18 servers)

Version Number of Servers Percent
1.0.81794.44%
1.0.615.56%
Other00.00%

ModusMail (13 servers)

Version Number of Servers Percent
4.35.477.0538.46%
4.35.480.0215.38%
4.1.361.2117.69%
3.2.315.017.69%
4.0.340.317.69%
4.3.459.017.69%
4.35.477.817.69%
3.1.302.017.69%
Other00.00%

WebSTAR (12 servers)

Version Number of Servers Percent
Other12100.00%

MAILsweeper (5 servers)

Version Number of Servers Percent
4.3.17.0240.00%
4.3.19.0240.00%
4.3.20.0120.00%
Other00.00%




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