Compared
Ruber vs Fastmail
Standards-first mail, done properly and without fuss — the closest of these in spirit. The difference is what sits above the mailbox: provisioning, webhooks, and where the whole thing runs.
| Capability | Ruber | Fastmail |
|---|---|---|
| Access | ||
| Connect any IMAP client | Direct | Direct |
| Building on it | ||
| Create mailboxes from code | REST API and signed webhooks | Admin interface |
| Run the mail plane in your own cloud | Postfix, Dovecot and Rspamd in your VPC | — |
| White-label the whole surface | On the your-cloud mail plane | — |
| Commercial | ||
| What you are billed for | One price for one person on Personal and Pro; per user on Business — extra addresses included | Per user |
| Privacy posture | ||
| Zero-access encryption | — | — |
| Published third-party audits | — | — |
— means not part of that product's published offering at the time of checking. It is not a statement about what either of us is capable of.
Where it goes against us
Neither of us publishes third-party audits, and neither offers zero-access encryption. Fastmail has been running mail for two decades longer, which is not a feature row but is worth weighing.
Try it instead of reading about it.
Thirty days on a domain of your own, with no card asked for. It is enough to see whether the parts above are true.
Create a mailboxCompare with something else
Fastmail, Gmail, Google Workspace, Migadu and Proton Mail are trademarks of their respective owners, none of whom are associated with ruber.me or have endorsed this comparison. Descriptions reflect each product's published offering.