mutt - Unix, Linux Command

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mutt - The Mutt Mail User Agent


mutt [-nRyzZ] [-e cmd] [-F file] [-m type] [-f file]

mutt [-nx] [-e cmd] [-a file] [-F file] [-H file] [-i file] [-s subj] [-b addr] [-c addr] addr [...]

mutt [-n] [-e cmd] [-F file] -p

mutt -v[v]


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


-a file Attach a file to your message using MIME.
-b address Specify a blind-carbon-copy (BCC) recipient
-c address Specify a carbon-copy (CC) recipient
-e command Specify a configuration command to be run after processing of initialization files.
-f mailbox Specify which mailbox to load.
-F muttrc Specify an initialization file to read instead of ~/.muttrc
-h Display help.
-H draft Specify a draft file which contains header and body to use to send a message.
-i include Specify a file to include into the body of a message.
-m type specify a default mailbox type
-n Causes Mutt to bypass the system configuration file.
-p Resume a postponed message.
-R Open a mailbox in read-only mode.
-s subject Specify the subject of the message.
-v Display the Mutt version number and compile-time definitions.
-x Emulate the mailx compose mode.
-y Start Mutt with a listing of all mailboxes specified by the mailboxes command.
-z When used with -f, causes Mutt not to start if there are no messages in the mailbox.
-Z Causes Mutt to open the first mailbox specified by the mailboxes command which contains new mail, or exit immediately if none.


EDITOR Specifies the editor to use if VISUAL is unset.
EMAIL The user’s e-mail address.
HOME Full path of the user’s home directory.
MAIL Full path of the user’s spool mailbox.
MAILDIR Full path of the user’s spool mailbox. Commonly used when the spool mailbox is a maildir (5) folder.
MAILCAPS Path to search for mailcap files.
MM_NOASK If this variable is set, mailcap are always used without prompting first.
PGPPATH Directory in which the user’s PGP public keyring can be found.
TMPDIR Directory in which temporary files are created.
REPLYTO Default Reply-To address.
VISUAL Specifies the editor to use when composing messages.


~/.muttrc or ~/.mutt/muttrc User configuration file.
/etc/Muttrc System-wide configuration file.
/tmp/muttXXXXXX Temporary files created by Mutt.
~/.mailcap User definition for handling non-text MIME types.
/etc/mailcap System definition for handling non-text MIME types.
~/.mime.types User’s personal mapping between MIME types and file extensions.
/etc/mime.types System mapping between MIME types and file extensions.
/usr/bin/mutt_dotlock The privileged dotlocking program.
/usr/share/doc/mutt- The Mutt manual.


None. Mutts have fleas, not bugs.


Suspend/resume while editing a file with an external editor does not work under SunOS 4.x if you use the curses lib in /usr/5lib. It does work with the S-Lang library, however.

Resizing the screen while using an external pager causes Mutt to go haywire on some systems.

suspend/resume does not work under Ultrix.

The help line for the index menu is not updated if you change the bindings for one of the functions listed while Mutt is running.

For a more up-to-date list of bugs, errm, fleas, please visit the mutt project’s bug tracking system under To report a bug, please use the flea(1) program.


This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.


curses(3), flea(1), mailcap(5), maildir(5), mbox(5), mutt_dotlock(1), muttrc(5), ncurses(3), sendmail(1), smail(1)

Mutt Home Page:

The Mutt manual

The GNU General Public License.


Michael Elkins, and others. Use <> to contact the developers.
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