| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| smtp error | 0.19 | 1 | 1742 | 69 | 10 |
| smtp | 0.14 | 0.3 | 8369 | 17 | 4 |
| error | 0.62 | 0.9 | 7773 | 71 | 5 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| smtp error | 1.95 | 0.1 | 7727 | 70 |
| smtp error 550 | 1.65 | 0.9 | 3626 | 18 |
| smtp error codes | 1.06 | 0.7 | 1113 | 5 |
| smtp error 535 | 2 | 0.7 | 8070 | 75 |
| smtp error 451 | 1.16 | 0.9 | 1566 | 93 |
| smtp error 554 | 0.44 | 0.5 | 1737 | 12 |
| smtp error from remote mail server after rcpt | 0.7 | 0.5 | 5271 | 25 |
| smtp error: could not authenticate | 0.67 | 1 | 9983 | 13 |
| smtp error 500 | 1.3 | 0.4 | 2236 | 94 |
| smtp error code 535 | 0.64 | 0.9 | 6465 | 23 |
| smtp error 421 | 0.36 | 0.6 | 3352 | 92 |
| smtp error 550 5.7.1 | 0.4 | 0.7 | 5757 | 33 |
| smtp error from remote mail server | 0.98 | 0.1 | 3274 | 51 |
| smtp error data not accepted | 0.32 | 0.2 | 2245 | 87 |
| smtp error 550 failed to add recipient | 1.41 | 1 | 2589 | 53 |
| smtp error 535 authentication failed | 1.89 | 0.5 | 4615 | 74 |
| smtp authentication error | 1.44 | 0.5 | 971 | 39 |
| common smtp server errors and how to fix them | 1.02 | 0.3 | 620 | 93 |
| smtp error: could not connect to smtp host | 0.03 | 0.8 | 1414 | 96 |
| common smtp errors and how to fix them | 1.04 | 0.9 | 4659 | 63 |
