| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| smtp.com api | 1.98 | 1 | 1138 | 76 | 12 |
| smtp.com | 0.15 | 0.6 | 590 | 57 | 8 |
| api | 0.69 | 0.8 | 2571 | 8 | 3 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| smtp.com api | 0.76 | 0.3 | 344 | 20 |
| smtp.com pricing | 0.05 | 0.9 | 3266 | 5 |
| mailer: smtp.com api_key: invalid | 0.47 | 0.9 | 2715 | 92 |
| invalid smtp server response | 0.01 | 0.7 | 1261 | 19 |
| smtp server returned an invalid response | 1.32 | 0.8 | 7997 | 85 |
| authentication credentials invalid smtp | 0.66 | 0.7 | 2950 | 57 |
| smtp 550 invalid recipient | 0.18 | 0.7 | 5389 | 90 |
| email_invalid | 1.9 | 1 | 159 | 67 |
