Mailu vs SmarterMail
Mailu
mailu.io
SmarterMail
smartertools.comSide by side
| Figure | Mailu | SmarterMail |
|---|---|---|
| Price from | Free | $41.67/mo |
| Free plan | Yes | Yes |
| Free trial | — | Yes |
| Open source | — | — |
| Web | Yes | Yes |
| Windows | — | Yes |
| Linux | Yes | Yes |
| iOS | — | Yes |
| Android | — | Yes |
| API | Yes | — |
| Self-hosted | Yes | Yes |
| Plans published | 1 | 5 |
| Spec score · Email Server Software | 7.9 (#13) | 8.0 (#11) |
| Spec score · Mail Server Software | 7.9 (#18) | 8.0 (#14) |
| Deployment | Mailu runs as Docker containers and documents Docker Compose and Kubernetes deployment options. | SmarterMail is available for Linux and Windows and has a Docker version; the download page lists supported Linux distributions and Windows Server 2016, 2019, 2022, and 2025+. |
| Integrations | The documentation describes Nextcloud authentication through IMAP and calendar and address-book access through Radicale using WebDAV/CardDAV/CalDAV clients. | The Marketplace lists Dropbox, Google Drive, OneDrive, ownCloud, LeitzCloud, Rocket.Chat, ChatGPT, Collabora Online, and OnlyOffice integrations. |
| Product | Mailu is a free software mail server distributed as a set of Docker images. | SmarterMail is an email, groupware, and collaboration server positioned as an alternative to Microsoft Exchange. |
| Security | Listed security features include enforced TLS, DANE, MTA-STS, Let's Encrypt, outgoing DKIM, antivirus scanning, and blocking malicious attachments. | The product includes spam filtering and enterprise-level antivirus, with Message Sniffer available as an integration. |
Plans
SmarterMail
- SmarterMail FreeFree
- SmarterMail High Availability — Hub$150 a month
- SmarterMail High Availability — Node$250 a month
- SmarterMail Professional (50 mailboxes)$500 a year
- SmarterMail Enterprise (50 mailboxes)$700 a year
In their own words
SmarterMail
SmarterMail has no write-up on Specifiction yet; its figures are above.