| Number | Reject Reason | Reject Count | Percent |
| 1 | 554 5.7.1 Rejected by administrative policy | 2550 | 69.12 |
| 2 | 451 4.7.1 Not accepted now. Please try again a bit later. | 420 | 11.39 |
| 3 | 554 5.7.1 Rejected by dynamic administrative rate limit | 261 | 7.08 |
| 4 | 554 5.7.1 Administratively prohibited | 187 | 5.07 |
| 5 | 554 5.7.1 Rejected by administrative quota for messages count | 150 | 4.07 |
| 6 | 554 5.7.1 Rejected forged senders of our domains | 107 | 2.90 |
| 7 | 554 5.7.1 Reject unwanted sender | 10 | 0.27 |
| 8 | 554 5.7.1 Rejected by dynamic administrative black list | 4 | 0.11 |