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You are viewing an outdated report.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


    
Mail (MX) Server Survey
October 1st, 2010

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 Queried2,143,520   100.0%
Number of Servers that didn't respond343,73716.04%
    Server didn't open socket331,08615.45%
    Server didn't provide banner12,6510.59%
Server provided banner1,799,78383.96%
Server banner identifies software in use984,75545.94%

As indicated by the above table, of the 2,143,520 servers queried, only 984,755 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
Exim353,89835.94%
Postfix212,79721.61%
Microsoft167,66317.03%
Sendmail151,24915.36%
MailEnable31,2603.17%
MDaemon22,6762.30%
IMail12,7031.29%
Lotus Domino5,2770.54%
WinWebMail4,9410.50%
Kerio4,1350.42%
CommuniGate Pro3,8270.39%
XMail2,5990.26%
Merak2,4450.25%
Qmail Toaster1,7630.18%
ArGoSoft1,4010.14%
SurgeSMTP1,3450.14%
GroupWise1,2660.13%
Trend Micro8490.09%
Gordano Messaging Suite (GMS)5470.06%
Post.Office5420.06%
Mirapoint3760.04%
InterScan VirusWall2850.03%
VisNetic2820.03%
NetIQ MailMarshal1430.01%
Interscan1200.01%
Mercury880.01%
WebSTAR V750.01%
Neon Mail Server670.01%
ModusMail320.00%
MessageWall310.00%
WebSTAR280.00%
OpenVMS240.00%
MAILsweeper210.00%

Detailed Breakdown of Revisions on a Per-Server Basis

Exim (353,898 servers)

Version Number of Servers Percent
4.69302,64685.52%
4.6714,3634.06%
4.6312,2013.45%
4.715,7851.63%
4.725,3271.51%
Other13,5763.84%

Postfix (212,797 servers)

Version Number of Servers Percent
Other212,797100.00%

Microsoft (167,663 servers)

Version Number of Servers Percent
6.0.3790.4675104,91862.58%
6.0.3790.395944,66826.64%
6.0.3790.18309,8395.87%
5.0.2195.73812,5261.51%
5.0.2195.67132,3811.42%
Other3,3311.99%

Sendmail (151,249 servers)

Version Number of Servers Percent
8.13.128,97419.16%
8.13.828,08718.57%
8.14.315,13210.00%
8.14.414,9179.86%
8.12.11.200603089,4106.22%
8.12.11.200606149,1716.06%
8.13.6.200606145,8723.88%
8.12.105,0703.35%
8.14.24,8253.19%
8.11.64,6583.08%
8.13.64,1902.77%
8.14.13,6402.41%
8.12.113,2042.12%
8.13.42,6661.76%
8.13.72,6341.74%
8.12.82,2081.46%
Other6,5914.36%

MailEnable (31,260 servers)

Version Number of Servers Percent
1.986--10,25832.82%
1.981--3,0129.64%
1.983--1,9456.22%
3.62--1,2333.94%
4.23--9232.95%
0-3.63-9152.93%
4.22--7542.41%
1.96--5501.76%
1.95--5111.63%
0-4.23-4671.49%
0-1.87-4531.45%
0-2.53-4511.44%
1.9--4171.33%
--3.633881.24%
0-4.22-3731.19%
4.17--3671.17%
0-3.61-3511.12%
4.14--3451.10%
0-3.6-3251.04%
4.23--4.233191.02%
Other6,90322.08%

MDaemon (22,676 servers)

Version Number of Servers Percent
11.0.34,40819.44%
10.1.22,0298.95%
10.0.01,3305.87%
10.1.11,1605.12%
11.0.01,1124.90%
9.6.18553.77%
9.6.67633.36%
11.0.27303.22%
10.1.07053.11%
10.0.55822.57%
9.6.55462.41%
9.5.25452.40%
10.0.25022.21%
11.0.14942.18%
10.0.44682.06%
9.5.14411.94%
9.6.44391.94%
9.6.24291.89%
8.1.34141.83%
9.5.64051.79%
9.0.43661.61%
9.6.32591.14%
9.5.52541.12%
6.8.52441.08%
Other3,19614.09%

IMail (12,703 servers)

Version Number of Servers Percent
8.222,41519.01%
8.151,2189.59%
11.021,0838.53%
11.019997.86%
9.239357.36%
10.025814.57%
8.055774.54%
11.05604.41%
9.204973.91%
9.104863.83%
7.073572.81%
9.213502.76%
7.152952.32%
8.002802.20%
10.012652.09%
6.062542.00%
8.042051.61%
8.101311.03%
8.011311.03%
Other1,0848.53%

Lotus Domino (5,277 servers)

Version Number of Servers Percent
8.5.161711.69%
8.54077.71%
7.0.23606.82%
8.5.1FP32975.63%
7.0.32224.21%
8.0.22063.90%
8.0.12033.85%
7.0.11913.62%
8.5.1FP21843.49%
6.5.41593.01%
6.5.11532.90%
6.5.31352.56%
8.5.1FP41232.33%
7.0.3FP11232.33%
6.5.51202.27%
7.01162.20%
8.01142.16%
7.0.2FP21072.03%
8.5.21051.99%
8.5FP1971.84%
8.5.1FP1931.76%
6.5881.67%
5.0.11641.21%
Other99318.82%

WinWebMail (4,941 servers)

Version Number of Servers Percent
3.8.0.11,22524.79%
3.7.6.181716.54%
3.7.3.160012.14%
3.7.7.358711.88%
3.8.1.150110.14%
3.7.1.12905.87%
3.7.5.12024.09%
3.7.7.11533.10%
3.6.3.11452.93%
3.7.0.51302.63%
3.7.0.3992.00%
3.7.0.7851.72%
3.8.1.3751.52%
Other320.65%

Kerio (4,135 servers)

Version Number of Servers Percent
6.7.365415.82%
6.6.244010.64%
6.7.043210.45%
6.7.23849.29%
6.5.02606.29%
6.7.12385.76%
6.5.22345.66%
6.4.11954.72%
6.3.11874.52%
6.5.11433.46%
6.6.01423.43%
6.4.01353.26%
6.4.21022.47%
6.6.1922.22%
6.3.0701.69%
Other42710.33%

CommuniGate Pro (3,827 servers)

Version Number of Servers Percent
5.1.162496.51%
5.3.82426.32%
4.1.82125.54%
5.2.161914.99%
4.2.101453.79%
5.3.71253.27%
5.2.191022.67%
5.3.5962.51%
5.1.12942.46%
5.2.14922.40%
5.2.3902.35%
5.2.12852.22%
5.3.2792.06%
5.0.14792.06%
5.1.13741.93%
5.2.8731.91%
5.2.13711.86%
5.2.20651.70%
5.2.10641.67%
5.2.18641.67%
5.3.9611.59%
5.1.9491.28%
5.0.9471.23%
5.1.14471.23%
5.2.11461.20%
5.2.9451.18%
5.3.4401.05%
5.2.17391.02%
5.2.0391.02%
Other1,12229.32%

XMail (2,599 servers)

Version Number of Servers Percent
1.2262524.05%
1.2561723.74%
1.2634313.20%
1.2433612.93%
1.272007.70%
1.211305.00%
1.23722.77%
1.20642.46%
1.17572.19%
1.12491.89%
Other1064.08%

Merak (2,445 servers)

Version Number of Servers Percent
8.0.399640.74%
8.9.124610.06%
8.5.01556.34%
7.4.51144.66%
7.5.21124.58%
7.6.41024.17%
8.3.8984.01%
8.2.13471.92%
7.4.2421.72%
9.0.0391.60%
7.2.0331.35%
7.6.1321.31%
8.3.15291.19%
8.2.4271.10%
8.9.0261.06%
7.0.1261.06%
Other32113.13%

Qmail Toaster (1,763 servers)

Version Number of Servers Percent
1.31,62292.00%
1.21035.84%
1.0281.59%
Other100.57%

ArGoSoft (1,401 servers)

Version Number of Servers Percent
1.8 (1.8.9.6)27619.70%
1.8 (1.8.9.5)23116.49%
1.8 (1.8.9.3)18313.06%
1.8 (1.8.9.1)1258.92%
1.8 (1.8.8.8)1117.92%
1.8 (1.8.8.7)825.85%
1.8 (1.8.9.2)594.21%
1.8 (1.8.9.4)382.71%
1.8 (1.8.8.9)312.21%
1.8 (1.8.8.1)312.21%
1.8 (1.8.9.0)221.57%
1.8 (1.8.6.0)191.36%
Other19313.78%

SurgeSMTP (1,345 servers)

Version Number of Servers Percent
3.9e-114010.41%
4.3g4-413710.19%
4.3g2-2967.14%
4.2d4-4967.14%
5.0e3-3876.47%
3.8k4-4795.87%
4.3g-1785.80%
4.0u4-4644.76%
4.2d2-2634.68%
4.3e-1554.09%
3.8i3-3362.68%
4.2a3-3312.30%
3.7b8-8302.23%
3.8f3-3261.93%
3.6f5-5251.86%
3.9c-1211.56%
5.0g3-3171.26%
3.9g2-2171.26%
3.8f2-2161.19%
3.9h-18141.04%
Other21716.13%

GroupWise (1,266 servers)

Version Number of Servers Percent
7.0.334026.86%
6.5.715412.16%
8.0.114611.53%
7.0.213210.43%
8.0.2745.85%
7.0.1675.29%
6.5.4614.82%
6.5.6503.95%
8.0.0413.24%
6.0.4403.16%
6.5.1332.61%
7.0.4322.53%
6.5.5201.58%
7.0151.18%
Other614.82%

Trend Micro (849 servers)

Version Number of Servers Percent
5.737043.58%
5.523828.03%
5.1813415.78%
7.0718.36%
7.1131.53%
7131.53%
Other101.18%

Gordano Messaging Suite (GMS) (547 servers)

Version Number of Servers Percent
Other547100.00%

Post.Office (542 servers)

Version Number of Servers Percent
3.5.39517.53%
4.1.0.26311.62%
4.0.1458.30%
3.5.3J315.72%
4.1.1305.54%
3.8.3254.61%
4.1.0.4193.51%
3.1.2J173.14%
3.9.2.3162.95%
3.9.1142.58%
3.6.2132.40%
3.9.2122.21%
3.8.7.4122.21%
4.1.0.3112.03%
3.1.2112.03%
4.0.0.2101.85%
3.6.3101.85%
4.0.1.1101.85%
4.191.66%
3.9.2.171.29%
4.0.0.171.29%
3.9.071.29%
3.5.271.29%
3.9.1.261.11%
3.9.1.361.11%
Other499.04%

Mirapoint (376 servers)

Version Number of Servers Percent
3.10.8-GA369.57%
3.8.4-GA359.31%
3.10.5-GA338.78%
3.8.3-GA287.45%
3.10.9-GA266.91%
3.10.7-GA236.12%
3.10.4-GA205.32%
4.1.8-GA195.05%
4.1.9-GA195.05%
4.1.3-GA174.52%
3.10.6-GA143.72%
3.10.3-GA133.46%
3.10.10a-GA82.13%
3.8.7a82.13%
3.8.2-GA82.13%
4.1.4-GA82.13%
3.8.5-GA71.86%
3.10.2-GA61.60%
3.8.6-GA61.60%
3.7.3a-GA51.33%
3.7.5a-GA51.33%
4.1.5-GA51.33%
4.1.10-GA41.06%
4.0.5a41.06%
Other195.05%

InterScan VirusWall (285 servers)

Version Number of Servers Percent
Other285100.00%

VisNetic (282 servers)

Version Number of Servers Percent
9.3.2.09834.75%
9.1.4.14014.18%
5.8.6.6155.32%
8.5.0.8134.61%
5.5.8.3113.90%
8.0.3.193.19%
8.0.3.082.84%
6.2.2.082.84%
8.0.372.48%
9.1.4.072.48%
7.6.1.072.48%
8.3.5.072.48%
5.4.5.462.13%
7.2.4.162.13%
5.3.5.051.77%
8.3.651.77%
5.0.2.341.42%
7.2.4.041.42%
5.8.6.431.06%
Other196.74%

NetIQ MailMarshal (143 servers)

Version Number of Servers Percent
6.0.3.810372.03%
6.1.3.15117.69%
5.5.6.7106.99%
5.5.6.642.80%
5.5.4.1642.80%
5.5.6.532.10%
5.5.3.1721.40%
Other64.20%

Interscan (120 servers)

Version Number of Servers Percent
3.55 (build 1016)2117.50%
3.81-Build_10221613.33%
3.53 (build 2017)1512.50%
3.55 (build 1029)119.17%
3.81-Build_1084108.33%
3.8-Build_301397.50%
3.55 (build 1020)65.00%
3.53 (build 1493)54.17%
3.52 (build 1375)43.33%
3.53 (build 2011)43.33%
3.53 (build 2013)32.50%
3.8-Build_108021.67%
3.53 (build 1494)21.67%
Other1210.00%

Mercury (88 servers)

Version Number of Servers Percent
1.484652.27%
3.322225.00%
3.21c89.09%
3.2122.27%
3.01a22.27%
1.4722.27%
1.4922.27%
3.3022.27%
1.4411.14%
3.3111.14%
Other00.00%

WebSTAR V (75 servers)

Version Number of Servers Percent
5.4.12634.67%
5.4.01824.00%
5.3.41722.67%
5.3.279.33%
5.3.356.67%
5.3.011.33%
5.3.111.33%
Other00.00%

Neon Mail Server (67 servers)

Version Number of Servers Percent
3.1.31826.87%
3.0.71420.90%
3.1.4913.43%
3.0.9811.94%
3.1.268.96%
3.1.045.97%
3.1.134.48%
3.1.534.48%
3.0.811.49%
3.0.611.49%
Other00.00%

ModusMail (32 servers)

Version Number of Servers Percent
4.35.477.0928.12%
4.2.420.0515.62%
4.35.480.0412.50%
4.1.361.2126.25%
3.2.315.026.25%
3.1.293.126.25%
3.1.302.026.25%
4.35.480.1126.25%
4.2.425.2213.12%
4.0.340.313.12%
4.3.459.013.12%
4.35.477.813.12%
Other00.00%

MessageWall (31 servers)

Version Number of Servers Percent
1.0.82993.55%
1.0.613.23%
1.1.013.23%
Other00.00%

WebSTAR (28 servers)

Version Number of Servers Percent
Other28100.00%

OpenVMS (24 servers)

Version Number of Servers Percent
8.31458.33%
7.3625.00%
8.228.33%
6.114.17%
7.214.17%
Other00.00%

MAILsweeper (21 servers)

Version Number of Servers Percent
4.3.20.0628.57%
4.3.17.0419.05%
4.3.6.0419.05%
4.3.14.0314.29%
4.3.19.014.76%
4.3.10.014.76%
4.3.1.014.76%
4.2.5.014.76%
Other00.00%




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