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.
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| Number of IPs scanned: | 4294967295 (100%) | |
| Number of SMTP servers found: | 8655398 | |
| Number of servers detected using banner text: | 5224710 (60%) | |
| Number of servers detected using command replies: | 7414033 (85%) | |
| Number of conflicting banner vs. reply detections: | 34074 |
| Software | Count | % |
|---|---|---|
| Postfix | 2231963 | 25.79 |
| Exim | 2015066 | 23.28 |
| (Unknown) | 945304 | 10.92 |
| QMail | 801334 | 9.26 |
| PowerMTA | 769277 | 8.89 |
| Exchange | 709009 | 8.19 |
| Sendmail | 458661 | 5.30 |
| MailEnable | 159735 | 1.85 |
| IdeaSmtpServer | 146368 | 1.69 |
| Cisco Ironport | 72384 | 0.84 |
| Barracuda | 52147 | 0.60 |
| MDaemon | 51006 | 0.59 |
| hMailServer | 47534 | 0.55 |
| IMail | 33116 | 0.38 |
| SmarterMail | 26182 | 0.30 |
| Kerio | 14692 | 0.17 |
| Domino | 12588 | 0.15 |
| Cellopoint | 8820 | 0.10 |
| SonicWALL | 7723 | 0.09 |
| WinWebMail | 7669 | 0.09 |
| Lyris ListManager | 6840 | 0.08 |
| Symantec Messaging Gateway | 6738 | 0.08 |
| XMail | 6316 | 0.07 |
| MailMarshal | 6026 | 0.07 |
| InSciTek | 5700 | 0.07 |
| DSMTP | 5556 | 0.06 |
| CommuniGate Pro | 5474 | 0.06 |
| CheckPoint FireWall-1 | 4489 | 0.05 |
| Winmail | 4419 | 0.05 |
| Terrace MailWatcher | 4208 | 0.05 |
| EmailArchitect | 3994 | 0.05 |
| James | 3546 | 0.04 |
| qpsmtpd | 3142 | 0.04 |
| ArGoSoft | 3017 | 0.03 |
| RaidenMAILD | 2916 | 0.03 |
| IceWarp | 2343 | 0.03 |
| Axigen | 2229 | 0.03 |
| Citadel | 1973 | 0.02 |
| Symantec Mail Security | 1642 | 0.02 |
| NTMail | 954 | 0.01 |
| mailfront | 767 | 0.01 |
| JiranSoft SpamSniper | 652 | 0.01 |
| Symantec Brightmail Gateway | 576 | 0.01 |
| InterScan | 438 | 0.01 |
| modusGate | 420 | 0.00 |
| MailNow! | 338 | 0.00 |
| SmoothWall | 48 | 0.00 |
| SLMail | 38 | 0.00 |
| Aker Firewall | 20 | 0.00 |
| PostageApp | 1 | 0.00 |