1and1Mail vs Letter
| 1and1Mail | Letter | |
|---|---|---|
| Free plan | Yes | Yes |
| Free trial | Yes | |
| Paid from | Free | |
| Platforms | Windows | api, Web |
| Free plan | Yes | Yes |
| Email automation | No | Yes |
| Audience segmentation | Yes | Yes |
| Landing pages | No | |
| A/B testing | No | |
| Native integrations | 6 integrations |
Listed together in Best Email Marketing Software