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You are viewing an outdated report published on May 1st, 2006. The latest version of this report was published on August 1st, 2014


    
Mail (MX) Server Survey
May 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 Queried1,578,887   100.0%
Number of Servers that didn't respond217,31013.76%
    Server didn't open socket210,57313.34%
    Server didn't provide banner6,7370.43%
Server provided banner1,361,57786.24%
Server banner identifies software in use871,92455.22%

As indicated by the above table, of the 1,578,887 servers queried, only 871,924 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
Sendmail311,62335.74%
Microsoft173,90919.95%
Exim138,09915.84%
Postfix102,12411.71%
IMail51,0775.86%
MDaemon20,1522.31%
MailEnable15,2641.75%
Lotus Domino9,3961.08%
Merak8,2800.95%
CommuniGate Pro5,6970.65%
GroupWise5,3170.61%
Trend Micro4,6530.53%
Kerio3,3210.38%
ArGoSoft3,2150.37%
WinWebMail3,1970.37%
NetIQ MailMarshal2,5110.29%
XMail2,1830.25%
Interscan1,9580.22%
Post.Office1,5790.18%
SurgeSMTP1,4790.17%
ModusMail1,3670.16%
InterScan VirusWall1,3620.16%
Qmail Toaster7760.09%
VisNetic7650.09%
MAILsweeper6670.08%
Mercury4910.06%
WebSTAR V4350.05%
Mirapoint4170.05%
WebSTAR2260.03%
MessageWall2190.03%
Neon Mail Server1310.02%
OpenVMS340.00%

Detailed Breakdown of Revisions on a Per-Server Basis

Sendmail (311,623 servers)

Version Number of Servers Percent
8.13.690,86129.16%
8.11.655,46817.80%
8.12.1031,89610.24%
8.12.11.2006030821,5716.92%
8.12.1118,1135.81%
8.13.116,3315.24%
8.12.814,8864.78%
8.13.411,9963.85%
8.10.210,9073.50%
8.9.310,5773.39%
8.11.74,6011.48%
8.13.34,1541.33%
8.12.93,9831.28%
Other16,2795.22%

Microsoft (173,909 servers)
Version Number of Servers Percent 6.0.3790.183083,60948.08% 5.0.2195.671348,01327.61% 6.0.3790.21125,77214.82% 5.5.2653.134,9062.82% 6.0.3790.04,4552.56% 5.0.2195.53291,8561.07% Other5,2983.05%

Exim (138,099 servers) Version Number of Servers Percent 4.5299,24471.86% 4.5010,2687.44% 4.606,1324.44% 4.443,9062.83% 4.432,7351.98% 3.362,2021.59% 3.351,9351.40% 4.421,7131.24% 4.541,5911.15% 4.341,4171.03% Other6,9565.04%

Postfix (102,124 servers) Version Number of Servers Percent Other102,124100.00%

IMail (51,077 servers) Version Number of Servers Percent 8.1514,27127.94% 8.056,56012.84% 6.066,46512.66% 8.224,1948.21% 8.213,8807.60% 7.072,3364.57% 7.152,1114.13% 8.201,3572.66% 8.108741.71% 9.038201.61% 8.147641.50% 8.007521.47% 8.136161.21% 8.125981.17% 8.025681.11% Other4,9119.61%

MDaemon (20,152 servers) Version Number of Servers Percent 8.1.33,49117.32% 8.1.42,33411.58% 8.1.51,5667.77% 6.8.51,4407.15% 7.2.31,2436.17% 7.2.01,0835.37% 9.0.09964.94% 8.0.28154.04% 8.1.17253.60% 8.0.36473.21% 7.1.05452.70% 7.1.25272.62% 8.0.15192.58% 7.2.25042.50% 6.8.44682.32% 7.2.14322.14% 7.0.14302.13% 8.1.22611.30% Other2,12610.55%

MailEnable (15,264 servers) Version Number of Servers Percent 1.8--3,50822.98% 1.9--1,68911.07% 0-1.75-1,1757.70% 0-1.54-1,0767.05% 0-1.6-8745.73% 0-1.72-5973.91% 1.73--5373.52% 0-1.71-5243.43% 1.91--5193.40% 1.92--4773.12% 1.95--3972.60% 1.71--3862.53% 0--1.13462.27% 0--1.233122.04% 0-1.7-2371.55% 0--1.22181.43% 1.72--1861.22% Other2,20614.45%

Lotus Domino (9,396 servers) Version Number of Servers Percent 6.5.41,10011.71% 6.5.11,05411.22% 6.5.37918.42% 6.55595.95% 7.05335.67% 5.0.115175.50% 6.5.24835.14% 6.5.53814.05% 5.0.123603.83% 7.0.13473.69% 6.5.4FP22983.17% 5.0.82943.13% 5.0.102632.80% 6.5.4FP12282.43% 5.0.13a2242.38% 6.0.32142.28% 6.0.2CF12112.25% 6.01611.71% 5.0.91541.64% 6.5.3FP11241.32% 5.0.51231.31% 5.0.6a1031.10% 6.0.11021.09% 5.0.9a951.01% Other6777.21%

Merak (8,280 servers) Version Number of Servers Percent 8.3.81,92323.22% 8.0.31,72920.88% 7.4.55446.57% 8.2.44034.87% 7.6.44004.83% 7.5.23834.63% 7.4.22813.39% 8.3.02312.79% 7.2.02252.72% 7.4.01782.15% 6.2.11682.03% 8.3.61421.71% 4.4.21331.61% 7.6.11071.29% 5.5.71051.27% 5.9.41021.23% 5.8.6881.06% 7.0.1871.05% Other1,05112.69%

CommuniGate Pro (5,697 servers) Version Number of Servers Percent 4.1.898717.32% 4.2.1058210.22% 5.0.83195.60% 4.2.42604.56% 4.2.82304.04% 4.22233.91% 4.3.82133.74% 4.2.91923.37% 4.2.71783.12% 5.0.91713.00% 5.0.61622.84% 4.3.61612.83% 4.0.61512.65% 3.5.91222.14% 4.3.7991.74% 4.0.1991.74% 4.3.9901.58% 4.3.4901.58% 5.0.1871.53% 4.2.6841.47% 5.0.7831.46% 4.2.5821.44% 4.2.3751.32% 5.0.2741.30% 4.1.6661.16% 4.1.3651.14% 4.0.5641.12% 5.0611.07% 5.0.4581.02% Other5699.99%

GroupWise (5,317 servers) Version Number of Servers Percent 6.5.41,22623.06% 7.074113.94% 6.5.558210.95% 6.0.45239.84% 6.5.14348.16% 6.5.22895.44% 6.5.32685.04% 6.0.21933.63% 6.0.31693.18% 6.5.01673.14% 6.5.61623.05% 5.5.51603.01% 6.0.11102.07% 7.0.1621.17% 5.5.4601.13% Other1713.22%

Trend Micro (4,653 servers) Version Number of Servers Percent 5.53,60177.39% 5.752111.20% 5.184329.28% 5.15691.48% Other300.64%

Kerio (3,321 servers) Version Number of Servers Percent 6.1.382824.93% 6.1.256517.01% 6.1.034510.39% 6.1.12587.77% 6.0.102206.62% 6.0.31334.00% 6.0.81093.28% 5.7.10982.95% 6.0.9842.53% 6.0.6842.53% 6.0.7692.08% 5.7.9481.45% 5.7.4471.42% 6.0.1451.36% 6.0.4401.20% 6.0.5391.17% 5.7.6351.05% Other2748.25%

ArGoSoft (3,215 servers) Version Number of Servers Percent 1.8 (1.8.8.7)62719.50% 1.8 (1.8.8.1)2708.40% 1.8 (1.8.8.5)2246.97% 1.8 (1.8.8.3)2046.35% 1.8 (1.8.6.0)1725.35% 1.8 (1.8.8.4)1675.19% 1.8 (1.8.8.6)1574.88% 1.8 (1.8.8.2)1514.70% 1.8 (1.8.7.5)1073.33% 1.8 (1.8.5.9)822.55% 1.8 (1.8.7.6)682.12% 1.8 (1.8.7.3)652.02% 1.8 (1.8.6.6)591.84% 1.8 (1.8.7.7)511.59% 1.8 (1.8.8.0)441.37% 1.8 (1.8.4.7)371.15% 1.8 (1.8.3.6)361.12% 1.8 (1.8.7.1)341.06% Other66020.53%

WinWebMail (3,197 servers) Version Number of Servers Percent 3.6.3.11,35942.51% 3.7.0.573322.93% 3.7.0.757918.11% 3.7.0.346214.45% 3.7.0.1491.53% Other150.47%

NetIQ MailMarshal (2,511 servers) Version Number of Servers Percent 6.0.3.81,73569.10% 5.5.6.72329.24% 6.1.3.151345.34% 5.5.5.9752.99% 5.5.4.16682.71% 5.5.6.6602.39% 5.5.6.5501.99% 5.5.5.6431.71% 5.5.4.17341.35% Other803.19%

XMail (2,183 servers) Version Number of Servers Percent 1.2163429.04% 1.2256826.02% 1.2033315.25% 1.1724311.13% 1.18944.31% 1.12693.16% 1.16522.38% 1.10472.15% 1.15371.69% 1.11351.60% Other713.25%

Interscan (1,958 servers) Version Number of Servers Percent 3.55 (build 1016)49125.08% 3.81-Build_102221811.13% 3.53 (build 2011)20210.32% 3.55 (build 1029)1598.12% 3.8-Build_30131507.66% 3.53 (build 2017)1437.30% 3.53 (build 2013)1055.36% 3.52 (build 1375)794.03% 3.55 (build 1020)572.91% 3.53 (build 1493)532.71% 3.8-Build_1080422.15% 3.81-Build_1032251.28% 3.8-Build_3065221.12% 3.55 (build 1018)211.07% 3.81-Build_1055211.07% Other1708.68%

Post.Office (1,579 servers) Version Number of Servers Percent 3.5.365541.48% 3.5.3J16710.58% 3.8.3734.62% 3.6.3704.43% 3.6.2674.24% 3.1.2J563.55% 3.1.2563.55% 3.5.2462.91% 3.9.1442.79% 3.8.4412.60% 3.6.0311.96% 3.9.0291.84% 3.6281.77% 3.9.2251.58% 4.0.0.2171.08% 3.9.1.3171.08% 4.0.0.1161.01% Other1418.93%

SurgeSMTP (1,479 servers) Version Number of Servers Percent 3.6f5-565144.02% 3.0c2-21459.80% 3.5b3-31379.26% 2.1c7-7483.25% 3.7c-3362.43% 3.7b-2332.23% 2.2c10-10291.96% 3.7a-15281.89% 1.6e2271.83% 2.0g2-1271.83% 3.6f3-3241.62% 1.8g3221.49% 3.7b3-3191.28% 3.7b-1181.22% 3.6f4-4171.15% 1.9b-1161.08% 2.2g3-1151.01% 1.5d2151.01% Other17211.63%

ModusMail (1,367 servers) Version Number of Servers Percent 4.3.459.057241.84% 4.2.425.2217212.58% 4.1.361.2116111.78% 4.2.425.4946.88% 4.2.425.16805.85% 3.2.315.0564.10% 4.2.407.0332.41% 4.1.361.0312.27% 3.1.302.0271.98% 4.0.340.0241.76% 3.1.297.0161.17% 4.3.465.0141.02% 4.2.420.0141.02% Other735.34%

InterScan VirusWall (1,362 servers) Version Number of Servers Percent Other1,362100.00%

Qmail Toaster (776 servers) Version Number of Servers Percent 1.259676.80% 1.017822.94% Other20.26%

VisNetic (765 servers) Version Number of Servers Percent 8.3.5.09312.16% 7.2.4.1729.41% 8.0.3.0638.24% 5.8.6.6617.97% 7.6.1.0597.71% 8.0.3.1516.67% 5.0.2.3506.54% 6.2.2.0496.41% 5.5.8.3303.92% 8.3.6303.92% 8.0.3243.14% 7.5.3.0233.01% 5.4.5.4233.01% 8.3.0.1192.48% 5.8.6.4172.22% 5.3.5.0162.09% 6.0.9.0131.70% 5.0.1131.70% 7.2.4.091.18% 5.0.2.181.05% Other425.49%

MAILsweeper (667 servers) Version Number of Servers Percent 4.3.12.013119.64% 4.3.19.012518.74% 4.3.14.011917.84% 4.3.17.010816.19% 4.2.10.0436.45% 4.3.1.0385.70% 4.2.5.0263.90% 4.3.10.0263.90% 4.3.6.0223.30% 4.2.1.0192.85% Other101.50%

Mercury (491 servers) Version Number of Servers Percent 1.4822044.81% 3.3216834.22% 3.21c387.74% 3.31224.48% 1.44153.05% 1.47122.44% 3.01a71.43% Other91.83%

WebSTAR V (435 servers) Version Number of Servers Percent 5.4.013831.72% 5.4.110925.06% 5.3.49922.76% 5.3.3398.97% 5.3.2296.67% 5.3.0102.30% 5.2.461.38% 5.3.151.15% Other00.00%

Mirapoint (417 servers) Version Number of Servers Percent 3.7.3a-GA5613.43% 3.7.4b-GA4611.03% 3.7.2-GA4410.55% 3.5.8-GR4210.07% 3.7.1-GA409.59% 3.5.9-GR235.52% 3.7.3-GA194.56% 3.7.0-GA184.32% 3.6.5-GR174.08% 3.6.4-CR133.12% 3.6.6-GR122.88% 1.1.0112.64% 3.7.5-GA92.16% 3.5.7-GR71.68% 3.5.6-GR61.44% 3.5.3-GR61.44% 3.2.2-GA51.20% 3.7.4a-GA51.20% Other389.11%

WebSTAR (226 servers) Version Number of Servers Percent Other226100.00%

MessageWall (219 servers) Version Number of Servers Percent 1.0.818383.56% 1.0.9156.85% 1.1.2373.20% 1.1.062.74% 1.0.652.28% Other31.37%

Neon Mail Server (131 servers) Version Number of Servers Percent 3.0.79673.28% 3.0.82015.27% 3.0.6107.63% 3.0.532.29% 3.0.421.53% Other00.00%

OpenVMS (34 servers) Version Number of Servers Percent 7.31647.06% 8.2823.53% 7.2617.65% 7.125.88% 6.125.88% Other00.00%



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