Head to head
Mailbox vs Unitpost
Same numbers we show everywhere else, lined up. Ratings come from users, the grade comes from our scanner, adoption comes from public registries.
No reviews yet
Self-hosted MCP server for unified IMAP/SMTP mailbox access: read, list, and send email.
Full listing
No reviews yet
Send email with approval: hosted MCP for email, campaigns, contacts, domains.
Full listingThe short version
Neither has been reviewed yet, so the comparison rests on the scan and the public usage numbers. The safety scan favours Mailbox (88/100 against 70). Unitpost is hosted and callable through the gateway; Mailbox runs on your own machine.
| Mailbox | Unitpost | |
|---|---|---|
| User rating | No reviews yet | No reviews yet |
| Safety grade | A88/100 | B70/100 |
| Adoption | Growing | New |
| GitHub stars | 4 | – |
| Downloads / week | – | – |
| Runs where | Your machine (local) | Hosted (remote) |
| Gateway-ready | No | Yes |
| Tools | — | — |
| Write actions | — | — |
| Price per call | Free | Free |
| Licence | WTFPL | — |
| Last release | 2026-09-07 | — |
| Category |