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====== Mutt ======
In my point of view, ''mutt'' is one of the best email clients ever, maybe only superseeded by ''muttng''.

===== Shortcuts =====
^ command				^ description 		^
| **Folder Commands** ||
| ''c=NameReturn'' | changes to a subfolder |
| ''c!Return'' | changes to the [[#Config_Vars|Inbox]] |
| ''c<Return'' | changes to the [[#Config_Vars|Sent Folder]] |
| ''c?Tab'' or ''cTabTab'' | shows the [[#Config_Commands|mailboxes]] |
| **Movement Commands** ||
| ''*'' | goto last entry |
| ''='' | goto first entry |

===== Aliases =====
Aliases are a very handy thing, and of course ''mutt'' also has support for them:
  set alias_file="/.mutt/aliases"
the aliases file looks like this:
<file>
alias me My Self <myself@dom.tld>
alias you Your Self <y.self@ain.tld>
alias we Both of Us <y.self@ain.tld>,<myself@dom.tld>
...
</file>
In fact, the last shown entry can be improved, as ''mutt'' does recursive
alias lookups:
<file>
...
alias we you,me
...
</file>
which will be transformed into:
<file>
Your Self <y.self@ain.tld>, My Self <myself@dom.tld>
</file>
so the result is slightly different, but not necessarily worse.

To define a new alias at runtime, use:
  a

===== Config Vars =====
^ variable ^ meaning ^ default ^
| ''spoolfile'' | "Inbox" | $MAIL |
| ''record'' | "Sent Folder" | None |
| ''from'' | //From:// adress of the header | None |
| ''use_from'' | activates the ''from''-variable | yes |
| ''envelope_from_address'' | envelope adress | None |
| ''use_envelope_from'' | activates the ''envelope_from_address''-variable | no |
| ''sort'' | how to sort messages | date |

===== Config Commands =====
^ Command ^ arguments ^ meaning ^
| ''mailboxes'' | folder names, separator=' ' | list of mailboxes to be checked for new mail |
| ''unmailboxes'' | folder name or '*' | deletes folders from the list, or all('*') |
| ''save-hook'' | [!]<expr> <destination> | sets the default destination for the  ''s''-command, <Expr> is an email addy |

===== Misc Tips =====
Some things i found out at daily usage of ''mutt''

==== saving many mails into a subfolder ====
  * first sort them (this one is //by subject//):
<code>
os
</code>
  * then set the ''save-hook'' (this is for all addresses, save them into the INBOX subfolder //fh.ufo//):
<code>
:save-hook .* =fh.ufo
</code>
  * then do at every message:
<code>
sReturnReturn
</code>
  * finally remove the ''save-hook'' again
<code>
:unhook save-hook
</code>
  * job finished


==== Fscking GMX With Mutt ====
GMX does ugly things with the email header to test whether the mail is spam or not.

To be able to use oneself's private internet mailhost for sending mails, the following has to be done to prevent GMX marking one's mails as being spam:
  set envelope_from=yes
  set envelope_from_address="realuser@realdomain.tld"
important here is that the given email addy really exists. Having these two lines set inside the ''muttrc'', GMX even accepts spoofed addresses in the // From: // field of the header.

==== Supporting ''traditional'' PGP-Messages ====
Some braindead windows-like mail clients use the ''traditional'' (inline) method to encrypt/sign mails. Out of the box ''mutt'' does not provide support for them, but it can be activated as follows:

At runtime, when displaying an encrypted mail that was not recognized, rescanning the mail body for ''traditional'' pgp can be triggered using:
  <ESC>P
To enable this feature statically, add the following line to your ''.muttrc'':
<file>
set pgp_auto_decode=yes
</file>

==== Fast Spam Processing ====
I collect spam in a maildir called //=.spam// for occasionally feeding my SpamAssassin.
As I recognise most spam just by viewing at the subject line, I want a short way to
move it into the spam folder **and** removing the //New// flag of the mail at the same
time. This is the macro I defined for that:
  macro index S "\Ct*\nt;wO;s=.spam/\ny"
<sub>if not using ''ask_yes'' when saving mails, the final ''y'' can be omitted</sub>


==== Perfect Thread Sorting ====
The effect of using
<file>
set sort=threads
</file>
is not perfect. But it can be improved:
<file>
set strict_threads=yes
</file>
using ''strict_threads'', equal subject lines are ignored for the decision wheter
to link a given message to a thread. This is mostly helpful for non-mailinglist
mailfolders.

==== Handling MIME types using mailcap ====
Certain attachments' MIME type is not defined as precise as one would want
them to. A simple example is PDFs which are being labeled
''application/octet-stream''. To allow a finer granularity when choosing an
appropriate viewer, mutt supports additional searching for MIME types based on
the filename. Using the following line:
<file>
mime_lookup application/octet-stream
</file>
enables additional searching for a better fitting MIME type inside
///etc/mime.types// or your local //$HOME/.mime.types//.

A reasonable entry for files ending with ''.pdf'' in ///etc/mime.types// would
be:
<file>
application/pdf    pdf
</file>

to actually make use of this assignment, mutt supports ''mailcap'' definition
files. My entries for the above defined MIME type in my local
//$HOME/.mailcap// file are the following:
<file>
application/pdf; (cp %s %s-sav \; xpdf %s-sav && rm %s-sav & sleep 1); test=test "$DISPLAY" != ""
application/pdf; pdftotext %s; copiousoutput
</file>
so when a ''$DISPLAY'' is present, the file is being opened using ''xpdf''.
Else ''pdftotext'' is being run on the file so it's content can be viewed
using e.g. ''less''. Note the following:
  * The ''%s'' parameter is already escaped using single quotes.
  * The hack around the call to ''xpdf'' allows for running in the background, so the calling ''mutt'' instance is still usable while ''xpdf'' is running. It seems like ''mutt'' doesn't like the program exitting immediately, throwing an error message.

==== Handling Duplicate Mails ====

When doing pattern-based stuff (like ''tag-pattern'' or ''delete-pattern'')
''mutt'' knows a pattern describing duplicates: **~=**. So to tag all
duplicates in the current mail folder, type: ''T~='' and you're done.

==== Automatic Spell Check ====

With ''vim'' as editor, one can easily enable spell checking when writing
emails like so:
  set editor="vim -c 'set spell spelllang=de,en'"

===== Links =====
http://wiki.mutt.org/index.cgi?MuttGuide/Folders \\
http://wiki.mutt.org/index.cgi?MuttWiki \\
http://www.mutt.org/doc/manual/