The Mutt E-Mail Client

 Mutt is a small but very powerful text-based mail client for Unix operating systems.

Some of Mutt's features include:

•     color support
•     message threading
•     MIME support (including RFC2047 support for encoded headers)
•     PGP/MIME (RFC2015)
•     various features to support mailing lists, including list-reply
•     active development community
•     IMAP support
•     full control of message headers when composing
•     support for multiple mailbox formats (mbox, MMDF, MH, maildir)
•     highly customizable, including keybindings and macros
•     change configuration automatically based on recipients, current folder, etc.
•     searches using regular expressions, including an internal pattern matching language
•     Delivery Status Notification (DSN) support
•     postpone message composition indefinetly for later recall
•     easily include attachments when composing, even from the command line
•     ability to specify alternate addresses for recognition of mail forwarded from other accounts, with ability to set the From: headers on replies/etc. accordingly
•     multiple message tagging
•     reply to or forward multiple messages at once
•     .mailrc style configuration files
•     easy to install (uses GNU autoconf)
•     compiles against either curses/ncurses or S-lang
•     translation into at least 20 languages
•     small and efficient
•     It's free! (no cost and GPL'ed)

http://muttrcbuilder.org/ is useful to create .muttrc configuration files.

This build supports IMAP accounts, GPG and SMTP.

KRB5, GPGme and Cyrus-SASL are required as dependencies.

For GPG encryption GnuPG Pinentry should also be installed.