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Allen Li 27e4c43c67 Replace mu4e multiple accounts with contexts mu4e 0.9.16 now comes with a native contexts feature that completely replaces the old hack for multiple accounts.		2017-07-01 11:05:37 -04:00
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config.el	Replace mu4e multiple accounts with contexts	2017-07-01 11:05:37 -04:00
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README.org	Replace mu4e multiple accounts with contexts	2017-07-01 11:05:37 -04:00

README.org

Mu4e layer

Install
Commands
Configuration
See also

Install

In order to use this layer you must install mu and mu4e separately. Typically mu4e will be bundled with mu (this is the case on many Linux distributions).

If you're on OS X and install mu using Homebrew, you must specify the location of your Emacs binary at install time using the EMACS environment variable, as well as passing the --with-emacs option:

brew install mu --with-emacs

If the installation directory of mu4e is not in Emacs’ load path, you can set the layer variable mu4e-installation-path, for example:

  (setq-default dotspacemacs-configuration-layers
                '((mu4e :variables
                        mu4e-installation-path "/usr/share/emacs/site-lisp")))

Then add this layer to your ~/.spacemacs. You will need to add mu4e to the existing dotspacemacs-configuration-layers list in this file.

Commands

Global bindings

Keybinding	Command
`SPC a M`	Start mu4e

Headers mode

Keybinding	Command
`J`	Go to next unread thread marking other mail read on the way
`C-j`	Next header
`C-k`	Previous header

View mode

Keybinding	Command
`J`	Go to next unread thread marking other mail read on the way
`C-j`	Next header
`C-k`	Previous header

Configuration

Configuration varies too much to give precise instructions. What follows is one example configuration. Refer to mu4e's manual for more detailed configuration instructions.

Maildirs extension

The maildirs extension adds a list of all your maildirs to the main mu4e view that by default shows the unread and total mail counts for all your mail under your base mail directory.

This extension is enabled by default, you can deactivate (and uninstall) it by adding the package mu4e-maildirs-extension to your dotfile variable dotspacemacs-excluded-packages.

Multiple Accounts

With `mu 0.9.16`, mu4e comes with a native contexts feature for managing multiple accounts.

The following example is taken from the manual:

  (setq mu4e-contexts
    `( ,(make-mu4e-context
    :name "Private"
    :enter-func (lambda () (mu4e-message "Switch to the Private context"))
    ;; leave-func not defined
    :match-func (lambda (msg)
      (when msg
        (mu4e-message-contact-field-matches msg
          :to "aliced@home.example.com")))
    :vars '(  ( user-mail-address      . "aliced@home.example.com"  )
       ( user-full-name     . "Alice Derleth" )
       ( mu4e-compose-signature .
         (concat
           "Alice Derleth\n"
           "Lauttasaari, Finland\n"))))
       ,(make-mu4e-context
    :name "Work"
    :enter-func (lambda () (mu4e-message "Switch to the Work context"))
    ;; leave-fun not defined
    :match-func (lambda (msg)
      (when msg
        (mu4e-message-contact-field-matches msg
          :to "aderleth@miskatonic.example.com")))
    :vars '(  ( user-mail-address      . "aderleth@miskatonic.example.com" )
       ( user-full-name     . "Alice Derleth" )
       ( mu4e-compose-signature .
         (concat
           "Prof. Alice Derleth\n"
           "Miskatonic University, Dept. of Occult Sciences\n"))))))

  ;; set `mu4e-context-policy` and `mu4e-compose-policy` to tweak when mu4e should
  ;; guess or ask the correct context, e.g.

  ;; start with the first (default) context;
  ;; default is to ask-if-none (ask when there's no context yet, and none match)
  ;; (setq mu4e-context-policy 'pick-first)

  ;; compose with the current context is no context matches;
  ;; default is to ask
  ;; '(setq mu4e-compose-context-policy nil)

Note: We used to have a hack to support multiple accounts with older version of `mu` but we removed it to encourage people to update their version and use the new contexts feature.

Example configuration

  ;;; Set up some common mu4e variables
  (setq mu4e-maildir "~/.mail"
        mu4e-trash-folder "/Trash"
        mu4e-refile-folder "/Archive"
        mu4e-get-mail-command "mbsync -a"
        mu4e-update-interval nil
        mu4e-compose-signature-auto-include nil
        mu4e-view-show-images t
        mu4e-view-show-addresses t)

  ;;; Mail directory shortcuts
  (setq mu4e-maildir-shortcuts
        '(("/gmail/INBOX" . ?g)
          ("/college/INBOX" . ?c)))

  ;;; Bookmarks
  (setq mu4e-bookmarks
        `(("flag:unread AND NOT flag:trashed" "Unread messages" ?u)
          ("date:today..now" "Today's messages" ?t)
          ("date:7d..now" "Last 7 days" ?w)
          ("mime:image/*" "Messages with images" ?p)
          (,(mapconcat 'identity
                       (mapcar
                        (lambda (maildir)
                          (concat "maildir:" (car maildir)))
                        mu4e-maildir-shortcuts) " OR ")
           "All inboxes" ?i)))

Notifications

mu4e-alert is an extension that provides desktop notifications and adds the count of unread messages to the modeline.

For an extended documentation of the available customizations please refer to mu4e-alert's documentation

OS notifications

To enable notifications about new messages, add the following line to your dotspacemacs/user-config:

  (setq mu4e-enable-notifications t)

or use layer variables when you add the layer to dotspacemacs-configuration-layers:

  (mu4e :variables mu4e-enable-notifications t)

By default, notifications will be shown in the *Messages* buffer. To enable desktop notifications about new messages, add the following lines to your dotspacemacs/user-config, according to your operating system and the installed libraries:

  (with-eval-after-load 'mu4e-alert
    ;; Enable Desktop notifications
    (mu4e-alert-set-default-style 'notifications)) ; For linux
    ;; (mu4e-alert-set-default-style 'libnotify))  ; Alternative for linux
    ;; (mu4e-alert-set-default-style 'notifier))   ; For Mac OSX (through the
                                                   ; terminal notifier app)
    ;; (mu4e-alert-set-default-style 'growl))      ; Alternative for Mac OSX

Mode-line notifications

To enable mode-line display about new messages, add the following line to your dotspacemacs/user-config:

  (setq mu4e-enable-mode-line t)