Source: https://ndo.dev/posts/headless_protonbridge All credits go to the author
Proton Mail is a great web email service, but if you've landed here, you've probably run into their lack of support for SMTP. They offer a local bridge application which is designed to run in a desktop environment and enable you to use your Outlook, Thunderbird, etc. email client on that same local computer with your Proton Mail account. However, if you'd like to access your Proton Mail email via another email client on your mobile device or another computer where you can't run their bridge application - that is not supported. This was incredibly frustrating so I figured out how to compile their bridge application without the GUI dependencies in order to run it on any Linux server and expose SMTP / IMAP ports for you to consume from your email client of choice.
There are a few challenges here that we've got to overcome to enable using the proton-bridge project in this way:
- Application by default requires