CRX id
kdaefaiohdhccnebmpncdladmlgfbbip
kdaefaiohdhccnebmpncdladmlgfbbip
Description from extension meta
Makes it so that there is no default sender for ProtonMail. You will have to choose what email address you send from every time.
Image from store
Description from store
This extension disabled the default sender in ProtonMail so that a from address will have to be chosen every time.
No data leaves your browser, it just edits the DOM elements on the fly.
Here is the source code: https://github.com/brooksmcmillin/protonmail-no-default-sender