Cyrus IMAP vs Mailu
Cyrus IMAP
cyrusimap.orgMailu
mailu.ioSide by side
| Figure | Cyrus IMAP | Mailu |
|---|---|---|
| Price from | Free | Free |
| Free plan | Yes | Yes |
| Free trial | — | — |
| Open source | — | — |
| Web | — | Yes |
| Linux | Yes | Yes |
| API | — | Yes |
| Self-hosted | Yes | Yes |
| Plans published | 1 | 1 |
| Spec score · Email Server Software | 8.0 (#8) | 7.9 (#13) |
| Spec score · Mail Server Software | 7.9 (#16) | 7.9 (#18) |
| Founded | 1993 | 2014 |
| Integrations | The installation guide describes receiving mail from SMTP servers such as Sendmail, Postfix, and Exim through LMTP. | The documentation describes Nextcloud authentication through IMAP and calendar and address-book access through Radicale using WebDAV/CardDAV/CalDAV clients. |
| Purpose | Cyrus IMAP is an email, contacts, and calendar server. | The project aims to provide an easily set up and maintained full-featured mail server without proprietary software or unrelated groupware features. |
| Security | The feature documentation lists Kerberos, LDAP, and SQL authentication, access control, and a sealed system design. | Listed security features include enforced TLS, DANE, MTA-STS, Let's Encrypt, outgoing DKIM, antivirus scanning, and blocking malicious attachments. |
| Support | The project points users to active mailing lists for help. | The project directs simple questions to its Matrix room, complex questions to GitHub discussions, and bug reports to GitHub issues; it describes itself as mostly developed in contributors' free time. |
Plans
In their own words
Cyrus IMAP
Cyrus IMAP has no write-up on Specifiction yet; its figures are above.