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On the recordRead 12 Oct 202618 facts
mu4e
Plans and prices
mu4e
Free
GNU Emacs email client · GPLv3 · requires mu and Maildir
Read 12 Oct 2026 · djcbsoftware.nl
On the record
- App coverage
- desktopdjcbsoftware.nl · read 20 Sep 2026
- Calendar tools
- Yesdjcbsoftware.nl · read 20 Sep 2026
- Contacts
- Address auto-completion uses contacts found in the user's messages.djcbsoftware.nl · read 12 Oct 2026
- Customization
- Users can extend mu4e with custom actions and their own Emacs Lisp snippets.djcbsoftware.nl · read 12 Oct 2026
- Download
- mu4e is included in the mu source package, which is available from GitHub; some Linux distributions provide pre-built mu packages.djcbsoftware.nl · read 12 Oct 2026
- Encryption and signing
- The manual lists support for signing, encrypting, and decrypting messages.djcbsoftware.nl · read 12 Oct 2026
- Integrations
- The manual documents integration with Emacs facilities including Org-mode, desktop notifications, DBus, Dired, and iCalendar.djcbsoftware.nl · read 12 Oct 2026
- License
- mu4e is Free Software licensed under the GNU GPLv3.djcbsoftware.nl · read 12 Oct 2026
- Mail retrieval
- mu4e works on a Maildir that can be updated by tools such as offlineimap, mbsync, or fetchmail.djcbsoftware.nl · read 12 Oct 2026
- Offline access
- Yesdjcbsoftware.nl · read 20 Sep 2026
- Platform limitation
- The mu project's Windows support is described as experimental and not supportable by its maintainers due to lack of specific expertise.github.com · read 12 Oct 2026
- Requirements
- The mu project installation instructions say mu4e requires Emacs version 28 or later to build its documentation.github.com · read 12 Oct 2026
- Search
- The interface is search-based, using queries instead of folders.djcbsoftware.nl · read 12 Oct 2026
- Sending mail
- Sending mail uses Emacs's smtpmail package, configured for the user's SMTP provider.github.com · read 12 Oct 2026
- Speed
- The interface is optimized for quick common actions, and heavy actions run asynchronously so they do not block Emacs.djcbsoftware.nl · read 12 Oct 2026
- Support
- The project directs bug reports and feature requests to its issue tracker and provides a mu-discuss mailing list.djcbsoftware.nl · read 12 Oct 2026
- Unified inbox
- Yesdjcbsoftware.nl · read 20 Sep 2026
- What it does
- mu4e is an email client for GNU Emacs, built on the mu email search engine, for searching, reading, replying to, moving, and deleting Maildir messages.djcbsoftware.nl · read 12 Oct 2026
