Mailpile
Mailpile: A self-hosted email client for users who prioritize privacy and message organization. Ranked #106 of 142 in Email Clients by our editors (3.0/10); pricing: Open source; best for privacy-focused self-hosted email users.
At a glance
- Editor score3.0 / 10
- PricingOpen source
- Best forPrivacy-focused self-hosted email users
- Paid fromFree
- Facts checked20 Sep 2026
Where it wins
- PGP encryption and signing support
- Search, tags, rules, and Bayesian email organization
- Web interface with CLI and developer API
Where it doesn't
- Development is paused pending a Python 3 rewrite
- Self-hosted deployment requires a personal computer or server
- The current release is listed as TBD
Our verdict on Mailpile
Mailpile is an open-source, self-hosted email client and personal webmail server for privacy-focused users who want control over deployment. It provides a web-based interface for email search and organization, with local or remote installation on a personal computer or server. The project is released under the AGPLv3 license and is designed around private email handling, tagging, encryption, and searchable message management rather than a broad productivity suite.
Its standout feature set combines PGP-encrypted and signed email with several ways to organize a mailbox. Users can apply tags manually or use rules and Bayesian classifiers for automatic tagging. The product also includes a basic command-line interface and a developer API, giving technical users additional ways to work with the system. Web, API, and self-hosted deployment options make Mailpile a fit for people who want a personal email environment that can be adapted to their own server setup.
The main qualification is project status. Mailpile is being rewritten from Python 2 to Python 3, development on the existing codebase has halted until that rewrite is complete, and the current release is listed as TBD. That makes Mailpile more suitable for technically confident users who accept responsibility for self-hosted deployment and project-state decisions than for organizations seeking a current, actively progressing email platform. Choose it for open-source control, PGP support, search, and flexible tagging; consider another email client if an established release path or a broader set of built-in productivity features matters more.
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Mailpile pricing
Mailpile fact sheet
| Free plan | Not verified |
|---|---|
| Paid from | Free |
| App coverage | Not verified |
| Account limit | Not verified |
| Unified inbox | Not verified |
| Offline access | Not verified |
| Scheduled sending | Not verified |
| Calendar tools | Not verified |
| Deployment | Self-hosted, Desktop |
| Platforms | Web |
| Support | Email, Community |
| Built for | Solo, Small business (editorial estimate) |
| Pricing | Open source |
| Website | mailpile.is |
| Facts checked | 20 Sep 2026 |
Alternatives to Mailpile
- Mozilla ThunderbirdA capable free client for multi-account email, offline access, and desktop productivity tools.9.4
- Zoho MailA flexible hosted email service with free access, migration tools, and Zoho collaboration options.9.2
- Apple MailA capable Apple-focused email client with unified inboxes, scheduling, privacy controls, and AI assistance.9.1
See all Mailpile alternatives →
Also Ranked In
Mailpile is ranked in 2 of our directories.
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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
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