CloudMailin
Long-running inbound email to HTTP service.
CloudMailin has been doing inbound email to HTTP since 2010. Reliable, no-frills, JSON or raw MIME delivery.
Judged purely as an API. What the request contract guarantees on retry, how complete the webhook event coverage is, whether suppressions are readable and writable programmatically, and how much the message log retains when something needs debugging in production.
Against high-frequency programmatic sends where a missed delivery is a product failure, CloudMailin covers webhook coverage and event stream, and does not cover idempotency keys, the suppressions API, batch sending, and SDK breadth. Whether that gap matters depends on how central those are to the build.
- Idempotency keys: No
- Webhooks: Yes
- Event stream: Yes
- Operating since: Not published
- Suppressions API: No
- Best published rate per 1,000: Tiers not published in comparable form
- Batch sending: No
- SDKs: None
- Deliverability: Not applicable.
Not applicable.
Established workloads that depend on a long-running provider.
- › Mature product
- › Multiple payload formats
- › No free tier
- › Older UI
Features at a glance
| API | Yes |
| SMTP | No |
| SDKs | None |
| Webhooks | Yes |
| Templates | none |
| React Email | No |
| Batch send | No |
| Scheduled send | No |
| Suppressions | No |
| Multi-tenant | Yes |
| Inbound parsing | Yes |
| Event stream | Yes |
| Idempotency keys | No |
| Dedicated IP | No |