# protonmail bridge setup over a systemd daemon with msmtp and isync

* msmtp

~/.msmtprc
#+BEGIN_SRC
defaults
auth           on
tls            on

logfile        ~/.msmtp.log

# ProtonMail Bridge
account        protonmail
host           127.0.0.1
port           1025
from           USERNAME
user           USERNAME
password       PASS
tls_starttls on
tls_fingerprint XX:XX:XX:XX:...

#Set a default account
account default : protonmail
#+END_SRC

Get tls fingerprint from this:
#+BEGIN_SRC
openssl s_client -starttls smtp -connect 127.0.0.1:1025 < /dev/null 2>/dev/null | openssl x509 -fingerprint -noout -in /dev/stdin | cut -d'=' -f2
#+END_SRC


* isync (mbsync)

~/.mbsyncrc
#+BEGIN_SRC
IMAPAccount protonmail
Host 127.0.0.1
Port 1143
User USERNAME
pass PASS
SSLType STARTTLS
CertificateFile LOCATION_OF_CERTFILE

IMAPStore protonmail-remote
Account protonmail

MaildirStore protonmail-local
Path ~/.mail/protonmail/
Inbox ~/.mail/protonmail/Inbox/

Channel protonmail-inbox
Master :protonmail-remote:
Slave :protonmail-local:
Patterns "INBOX"
Create Both
Expunge Both
SyncState *

Channel protonmail-sent
Master :protonmail-remote:"Sent"
Slave :protonmail-local:"sent"
Create Both
Expunge Both
SyncState *

Channel protonmail-trash
Master :protonmail-remote:"Trash"
Slave :protonmail-local:"trash"
Create Both
Expunge Both
SyncState *

Channel protonmail-allmail
Master :protonmail-remote:"All Mail"
Slave :protonmail-local:"allmail"
Create Both
Expunge Both
SyncState *

Group protonmail
Channel protonmail-inbox
Channel protonmail-sent
Channel protonmail-trash
Channel protonmail-allmail
#+END_SRC

Make certfile. Put the everything from "-----BEGIN CERTIFICATE-----" and "-----END CERTIFICATE-----" in a file.
#+BEGIN_SRC
openssl s_client -starttls imap -connect 127.0.0.1:1143 -showcerts
#+END_SRC


* daemonize Desktop-Bridge

start within a detache screen session. Create a systemd service file.
~/.config/systemd/user/bridge.service
#+BEGIN_SRC
[Unit]
Description=Desktop-Bridge: Protonmail Bridge - ProtonMail IMAP and SMTP Bridge

[Service]
Type=simple
ExecStart=/usr/bin/screen -Dm bash -c "sleep 5; Desktop-Bridge -c"
Restart=always

[Install]
WantedBy=default.target
#+END_SRC