We're scanning ports 143 (imap), 993 (imaps), 110 (pop3) and 25 (smtp). We'll send a few commands to try to identify the software and publish the results here. No login attempts are made.
The results will still need a bit of fine tuning..
See the results for 06-08/2012: imap, pop3, smtp
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| Number of IPs scanned: | 4294967295 (100%) | |
| Number of IMAP servers found: | 5009190 | |
| Number of servers detected using banner text: | 4460094 (89%) | |
| Number of servers detected using command replies: | 5105990 (101%) | |
| Number of conflicting banner vs. reply detections: | 5223 |
| Software | Count | % |
|---|---|---|
| Dovecot | 2422833 | 48.37 |
| Courier | 1538059 | 30.70 |
| Exchange | 163850 | 3.27 |
| UW-IMAP | 160591 | 3.21 |
| IdeaImapServer | 117771 | 2.35 |
| MailEnable | 64188 | 1.28 |
| NetArt | 62815 | 1.25 |
| Cyrus | 59083 | 1.18 |
| (Unknown) | 53225 | 1.06 |
| MDaemon | 39731 | 0.79 |
| SmarterMail | 39003 | 0.78 |
| hMailServer | 38448 | 0.77 |
| Kerio | 30771 | 0.61 |
| Zimbra | 29654 | 0.59 |
| IMail | 28581 | 0.57 |
| Domino | 22180 | 0.44 |
| IceWarp | 22016 | 0.44 |
| Bigfoot | 18035 | 0.36 |
| CommuniGate Pro | 15377 | 0.31 |
| imapfront | 9935 | 0.20 |
| Perdition | 8525 | 0.17 |
| QuarkMail | 7508 | 0.15 |
| Surgemail | 5976 | 0.12 |
| Zarafa | 4521 | 0.09 |
| GroupWise | 4504 | 0.09 |
| Binc | 2739 | 0.05 |
| Winmail | 2667 | 0.05 |
| InSciTek | 2605 | 0.05 |
| dbmail | 2420 | 0.05 |
| MailSite | 2221 | 0.04 |
| Axigen | 2208 | 0.04 |
| Gordano | 1939 | 0.04 |
| modusMail | 1845 | 0.04 |
| Citadel | 1839 | 0.04 |
| Mercury | 1589 | 0.03 |
| David.fx | 1551 | 0.03 |
| GImap | 1439 | 0.03 |
| Oracle CMES | 1404 | 0.03 |
| (Not IMAP protocol) | 1305 | 0.03 |
| CallPilot | 1183 | 0.02 |
| Scalix | 1164 | 0.02 |
| FirstClass | 1114 | 0.02 |
| EIMS | 981 | 0.02 |
| Ability | 924 | 0.02 |
| ArGoSoft | 791 | 0.02 |
| DeskNow | 756 | 0.02 |
| Coremail | 662 | 0.01 |
| SmartMax | 641 | 0.01 |
| WinWebMail | 541 | 0.01 |
| ipapp.com | 408 | 0.01 |
| EmailArchitect | 345 | 0.01 |
| Mirapoint | 335 | 0.01 |
| VPOP3 | 293 | 0.01 |
| Mailtraq | 267 | 0.01 |
| TurboMail | 266 | 0.01 |
| MailNow! | 195 | 0.00 |
| Metra | 193 | 0.00 |
| T3 | 190 | 0.00 |
| Synametrics | 182 | 0.00 |
| James | 179 | 0.00 |
| Office-Logic InterChange | 179 | 0.00 |
| hgigamail | 173 | 0.00 |
| Mercur | 173 | 0.00 |
| KEN! | 167 | 0.00 |
| CUE | 166 | 0.00 |
| JanaServer | 148 | 0.00 |
| DEEPMail | 145 | 0.00 |
| MuseMail | 142 | 0.00 |
| MailStore | 122 | 0.00 |
| InterMail | 121 | 0.00 |
| CrediMail | 108 | 0.00 |
| AIMC | 101 | 0.00 |
| Softalk | 85 | 0.00 |
| imapproxy | 80 | 0.00 |
| iSCREAM | 77 | 0.00 |
| VPN3k | 71 | 0.00 |
| NPlex | 56 | 0.00 |
| ExpressMail | 56 | 0.00 |
| EarthLink | 49 | 0.00 |
| SPA-PRO | 47 | 0.00 |
| IMAP-Max | 46 | 0.00 |
| AMTANGEE | 46 | 0.00 |
| TIMS | 40 | 0.00 |
| Oracle Beehive | 31 | 0.00 |
| Tmailer | 30 | 0.00 |
| Exchange 2000 | 29 | 0.00 |
| EVO | 28 | 0.00 |
| AppleMailServer | 27 | 0.00 |
| TeamWARE | 22 | 0.00 |
| TimeMaker | 14 | 0.00 |
| Sendmail | 12 | 0.00 |
| PathFinder | 9 | 0.00 |
| Hmail | 8 | 0.00 |
| Isode | 8 | 0.00 |
| PMDF | 7 | 0.00 |
| UnknownProxy | 2 | 0.00 |
| Banckle | 2 | 0.00 |
| Xpressions | 2 | 0.00 |