Self-hosted webmail for your own domains, with routing rules, a calendar and an AI assistant whose drafts need approval
- Deploy
- One-click
- License
- AGPL-3.0
- GitHub stars
- 4.6k stars
- Last commit
Self-hosted alternatives to Zoho Mail
Zoho Mail is a hosted business email service for custom domains with webmail, an admin console and apps. Two listed apps do its main job and run in your own Cloudflare account.
Each answer comes from the app’s README and source code, compared with the features Zoho Mail describes on its own site.
Email on your own domain with a web client, multiple users, a REST API, a CLI and an OAuth MCP server
- Deploy
- One-click
- License
- MIT
- GitHub stars
- 412 stars
- Last commit
Zoho Mail features, app by app
| Feature | Mailflare | Quickinbox |
|---|---|---|
| Email on your own domain | Yes | Yes |
| Webmail | Yes | Yes |
| Spam and phishing protection | Yes | Partly |
| Admin console with roles and audit logs | Partly | Partly |
| Migration from Google Workspace, Microsoft 365 or IMAP providers | Yes | No |
| Desktop and mobile apps | Partly | Partly |
| AI help with replies | Yes | No |
Self-hosted webmail for your own domains, with routing rules, a calendar and an AI assistant whose drafts need approval
- What a Zoho Mail user would miss
- Managing other user accounts and shared mailboxes needs a paid Team license, and there are no native apps or IMAP access.
- What it adds
- The calendar adds a public booking page, and external AI clients connect over MCP with separate permissions per key.
- Yes Email on your own domain. Multiple domains, mailboxes and aliases.
- Yes Webmail. Web app with conversations, folders, search and attachments.
- Yes Spam and phishing protection. Local spam scoring, Spam folder and training.
- Partly Admin console with roles and audit logs. Admins manage domains, API keys, audit logs and backups, extra user accounts need a paid Team license.
- Yes Migration from Google Workspace, Microsoft 365 or IMAP providers. Import from an IMAP server or from .eml and .mbox files.
- Partly Desktop and mobile apps. Responsive web app and JMAP for compatible mail apps, no native app.
- Yes AI help with replies. Assistant drafts replies, needs an AI provider and approval before sending.
Sources:github.com/hieunc229/mailflare#what-you-can-dogithub.com/hieunc229/mailflare/blob/main/docs/api.mdgithub.com/hieunc229/mailflare/blob/main/docs/providers.mdworkersnative.directory/api/apps/mailflaregithub.com/hieunc229/mailflare/blob/main/docs/spam-protection.md
Email on your own domain with a web client, multiple users, a REST API, a CLI and an OAuth MCP server
- What a Zoho Mail user would miss
- It has no import tool, no audit log and no AI drafting, and automatic spam sorting needs a TypeSafe API key.
- What it adds
- Each instance has a REST API with scoped keys, a CLI and an OAuth MCP server, and one browser can hold five signed-in accounts.
- Yes Email on your own domain. Multiple domains and users with per-user addresses and an admin catch-all.
- Yes Webmail. Web client with threads, search and sandboxed HTML.
- Partly Spam and phishing protection. Spam mailbox and Report spam, automatic sorting needs a TypeSafe API key.
- Partly Admin console with roles and audit logs. The first account is the admin and users claim addresses, no audit log listed.
- No Migration from Google Workspace, Microsoft 365 or IMAP providers. No import tool listed in the README.
- Partly Desktop and mobile apps. Web manifest and push notifications, no native app.
- No AI help with replies. No drafting help, outside AI clients connect through MCP.
Sources:github.com/DivinPrince/quickinbox#featuresgithub.com/DivinPrince/quickinbox#api-accessworkersnative.directory/api/apps/quickinbox