defianceblack/mu4e-and-protonmail.md

## mu4e-and-protonmail.md

      
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              mu4e-and-protonmail.md
            
          
    Connecting emacs and Protonmail Bridge

This guide will cover the basics on how to integrate emacs with the bridge using

mu4e
mbsync
smtpmail

I am going to assume that you already have installed the mentioned software, I am using Fedora 27 but it should work on any GNU/Linux distribution.
Create a configuration file ~/.mbsyncrc for mbsync
IMAPAccount protonmail
Host 127.0.0.1
Port 1143
User USERNAME_HERE@protonmail.com
Pass PASSWORD_PROVIDED_BY_BRIDGE
#Alternatively you can enter a command to retrieve your password
#PassCmd "gpg2 -q -d ~/.authinfo.gpg | awk 'FNR == 1 {print $8}'"

SSLType NONE

IMAPStore remote
Account protonmail

#You can change .mail to something else
MaildirStore local
Path ~/.mail/
Inbox ~/.mail/INBOX/

Channel inbox
Master :remote:
Slave :local:
Patterns * !"Drafts" !"All Mail"
Create Slave
#Expunge Both
SyncState *

Group protonmail
Channel inbox


Now to get/sync you mail, run on a terminal $ mbsync protonmail.
Next we need to create a file to log our credentials for sending mail with smtpmail. Create a file ~/.authinfo with the following contents
machine 127.0.0.1 login USERNAME_HERE@protonmail.com port 1143 password PASSWORD_PROVIDED_BY_BRIDGE
machine 127.0.0.1 login USERNAME_HERE@protonmail.com port 1025 password PASSWORD_PROVIDED_BY_BRIDGE

OPTIONAL: You should encrypt it
one option is to use epa in emacs
M-x epa-encrypt-file.
Another is to set a symmetric encryption that will require some password
$ gpg2 --symetric .authinfo.
This is a minimal configuration that you should include in your init.el configuration file.
(require 'mu4e)

(setq mu4e-maildir "~/.mail"
	mu4e-attachment-dir "~/downloads"
	mu4e-sent-folder "/Sent"
	mu4e-drafts-folder "/Drafts"
	mu4e-trash-folder "/Trash"
	mu4e-refile-folder "/Archive")

(setq user-mail-address "USERNAME_HERE@protonmail.com"
	user-full-name  "YOUR_NAME")

;; Get mail
(setq mu4e-get-mail-command "mbsync protonmail"
	mu4e-change-filenames-when-moving t   ; needed for mbsync
	mu4e-update-interval 120)             ; update every 2 minutes

;; Send mail
(setq message-send-mail-function 'smtpmail-send-it
	smtpmail-auth-credentials "~/.authinfo.gpg" ;; Here I assume you encrypted the credentials
	smtpmail-smtp-server "127.0.0.1"
	smtpmail-smtp-service 1025)
Now just launch M-x mu4e to read your mail.