| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| mailbox unavailable 5.7.1 | 1.22 | 0.4 | 4043 | 40 | 25 |
| mailbox | 0.55 | 0.3 | 4733 | 25 | 7 |
| unavailable | 1.22 | 0.5 | 4259 | 69 | 11 |
| 5.7.1 | 1.38 | 0.8 | 3112 | 86 | 5 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| mailbox unavailable 5.7.1 unable to relay | 1.69 | 0.2 | 5905 | 83 |
| mailbox unavailable server response 5.7.1 | 1.31 | 0.1 | 4675 | 78 |
| 5.7.1 unable to relay | 1.48 | 0.3 | 7175 | 67 |
| 5.7.1 unable to relay without authentication | 0.1 | 0.8 | 863 | 1 |
| mailbox unavailable or not local | 0.7 | 0.9 | 7226 | 15 |
| why is my mailbox unavailable | 0.76 | 0.8 | 897 | 73 |
| 550 5.2.0 mailbox unavailable | 0.79 | 1 | 5500 | 76 |
| 550 5.1.1 mailbox unavailable | 1.65 | 1 | 9315 | 46 |
| mailbox unavailable. the server response was | 1.46 | 0.9 | 2299 | 84 |
| 5.7.54 smtp unable to relay | 0.44 | 0.6 | 8834 | 79 |
| service unavailable mailbox full | 0.48 | 0.3 | 1200 | 35 |
| 554 5.0.0 service unavailable mailbox full | 0.24 | 0.9 | 5603 | 65 |
