| Count | MTA |
|---|---|
| 410 | postfix |
| 161 | blocked |
| 95 | MS Exchange |
| 28 | unknown |
| 23 | Exim |
| 22 | sendmail |
| 22 | mdaemon |
| 22 | Cisco |
| 13 | eSafe |
| 11 | qmail |
| 9 | barracuda |
| 8 | Lotus Domino |
| 6 | MailEnable |
| 5 | TrendMicro Reputation |
| 4 | teles |
| 2 | communigate |
| 1 | XMail |
| 1 | DeskNow |
| 1 | InterScan |
| 1 | Kerio |
| 1 | Sophos |
| 1 | Sun JSMS |
| 1 | CheckPoint FW |
| 1 | spamsniper |
| 849 | TOTAL |