ImprovMX vs SMTP Zen Email Forwarding
| ImprovMX | SMTP Zen Email Forwarding | |
|---|---|---|
| Free plan | Yes | No |
| Free trial | No | No |
| Paid from | $4.17/mo | — |
| Open source | No | No |
| Platforms | api, Web | Web |
| Free plan | Yes | No |
| Custom domain | Yes | Yes |
| Alias limit | 25 | 10 |
| Catch-all forwarding | Yes | Yes |
| Multiple recipients | Yes | — |
| Outbound or reply mail | Yes | Yes |
| Delivery logs | Yes | Yes |
| API access | Yes | — |
| Paid from | — | 1.2 /mo |
Both are listed in Best Email Forwarding Services. On The Geeks Club, ImprovMX scores higher on our published basis.