NeoMutt – fork of Mutt with added features

NeoMutt is a small but very powerful text based program for reading and sending electronic mail under Unix operating systems, including support for color terminals, MIME, OpenPGP, and a threaded sorting mode.

It’s a project of projects, as it brings together many patches to extend Mutt.

NeoMutt is configured through variables which, if the user wants to permanently use a non-default value, are written to configuration files. NeoMutt supports a rich config file syntax to make even complex configuration files readable and commentable.

Because NeoMutt allows for customizing almost all key bindings, there are so-called “functions” which can be executed manually (using the command line) or in macros. Macros allow the user to bind a sequence of commands to a single key or a short key sequence instead of repeating a sequence of actions over and over.

NeoMutt supports a “hook” concept which allows the user to execute arbitrary configuration commands and functions in certain situations such as entering a folder, starting a new message or replying to an existing one. These hooks can be used to highly customize NeoMutt’s behavior including managing multiple identities, customizing the display for a folder or even implementing auto-archiving based on a per-folder basis and much more.

Features include:

  • Attach Headers Color – Color attachment headers using regex, just like mail bodies.
  • Compose to Sender – Send new mail to the sender of the current mail.
  • Compressed Folders – Read from/write to compressed mailboxes.
  • Conditional Dates – Use rules to choose date format.
  • Custom Mailbox Tags – Implements Notmuch tags and Imap keywords.
  • Encrypt-to-Self – Save a self-encrypted copy of emails.
  • Fmemopen – Replace some temporary files with memory buffers.
  • Forgotten Attachment – Alert user when (s)he forgets to attach a file to an outgoing email.
  • Global Hooks – Define actions to run globally within NeoMutt.
  • Header Cache Compression – Options for compressing the header cache files.
  • Ifdef – Conditional config options.
  • Index Color – Custom rules for theming the email index.
  • Initials Expando – Expando for author’s initials.
  • Kyoto Cabinet – Kyoto Cabinet backend for the header cache.
  • Limit Current Thread – Focus on one Email Thread.
  • LMDB – LMDB backend for the header cache.
  • Multiple FCC – Save multiple copies of outgoing mail.
  • Nested If – Allow complex nested conditions in format strings.
  • New Mail – Execute a command upon the receipt of new mail.
  • NNTP – Talk to a Usenet news server.
  • Notmuch – Email search engine.
  • Progress Bar – Show a visual progress bar on slow operations.
  • Quasi-Delete – Mark emails that should be hidden, but not deleted.
  • Reply With X-Orig-To – Direct reply to email using X-Original-To header.
  • Sensible Browser – Make the file browser behave.
  • Sidebar – Panel containing list of Mailboxes.
  • Skip Quoted – Leave some context visible.
  • Status Color – Custom rules for theming the status bar.
  • TLS-SNI – Negotiate with a server for a TLS/SSL certificate.
  • Trash Folder – Automatically move deleted emails to a trash bin.

Support: Guide
Developer: Richard Russon and many contributors
License: GNU General Public License v2.0

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NeoMutt is written in C. Learn C with our recommended free books and free tutorials.

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