| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods | Missed | Classes |
| Total | 1,440 of 1,574 | 8% | 137 of 150 | 8% | 172 | 180 | 329 | 360 | 102 | 105 | 9 | 10 |
| SMTP.java | | 0% | | 0% | 45 | 45 | 94 | 94 | 32 | 32 | 1 | 1 |
| AuthenticatingSMTPClient.java | | 0% | | 0% | 30 | 30 | 70 | 70 | 15 | 15 | 2 | 2 |
| SMTPSClient.java | | 0% | | 0% | 34 | 34 | 77 | 77 | 23 | 23 | 1 | 1 |
| SMTPClient.java | | 0% | | 0% | 33 | 33 | 49 | 49 | 19 | 19 | 1 | 1 |
| SMTPCommand.java | | 0% | | 0% | 3 | 3 | 5 | 5 | 2 | 2 | 1 | 1 |
| RelayPath.java | | 0% | | 0% | 5 | 5 | 19 | 19 | 3 | 3 | 1 | 1 |
| SMTPReply.java | | 0% | | 0% | 15 | 15 | 5 | 5 | 5 | 5 | 1 | 1 |
| SimpleSMTPHeader.java | | 81% | | 72% | 5 | 13 | 6 | 37 | 1 | 4 | 0 | 1 |
| SMTPConnectionClosedException.java | | 0% | n/a | 2 | 2 | 4 | 4 | 2 | 2 | 1 | 1 |