| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| secure email open source | 1.55 | 0.4 | 5768 | 28 | 24 |
| secure | 0.98 | 0.6 | 9477 | 9 | 6 |
| 0.16 | 0.4 | 751 | 97 | 5 | |
| open | 0.42 | 0.1 | 8225 | 79 | 4 |
| source | 1.48 | 0.8 | 5299 | 83 | 6 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| secure email open source | 1.34 | 1 | 8963 | 55 |
| open source secure email server | 1.81 | 0.9 | 4215 | 55 |
| open source email security | 1.57 | 0.5 | 8859 | 10 |
| open source email software | 1.6 | 0.9 | 8404 | 8 |
| free open source email | 0.79 | 0.1 | 73 | 49 |
| open source email server | 1.37 | 0.9 | 5726 | 51 |
| open source email services | 1.98 | 0.7 | 7453 | 23 |
| open source email program | 0.3 | 0.6 | 2545 | 51 |
| open source email provider | 0.69 | 0.8 | 7444 | 39 |
| open source email server software | 0.95 | 0.9 | 5613 | 87 |
| free open source email server | 1.25 | 0.7 | 4088 | 51 |
| open source email encryption software | 0.77 | 0.7 | 8884 | 81 |
| best open source email | 1.02 | 0.3 | 5344 | 16 |
| open source email for windows | 0.77 | 0.8 | 1330 | 24 |
| open source web mail | 1.8 | 0.3 | 8199 | 68 |
