InboxSys vs Sendmarc
| InboxSys | Sendmarc | |
|---|---|---|
| Free plan | No | No |
| Free trial | Yes | Yes |
| Paid from | €66.25/mo | |
| Platforms | api, Web | api, Web |
| Free plan | No | No |
| Inbox placement monitoring | Yes | Yes |
| Sender reputation monitoring | Yes | Yes |
| Authentication monitoring | Yes | Yes |
| Blocklist monitoring | Yes | Yes |
| API access | Yes | Yes |
Listed together in Best Email Deliverability Software