"Something went wrong We couldn't load this page. Please refresh the page or check your internet connection. Error: Servers are unreachable. Please try again in a few minutes"
To anyone from Proton: It would, perhaps, be a good idea to implement a notice in the app version, giving some form of clue when this happens. It's easy to hit send and carry on, and not realize there's an issue.
"Technical difficulties Investigating - We are currently experiencing intermittent network issues affecting some of our users. We are working to fully restore services as soon as possible. We apologize for the inconvenience. Jan 09, 2025 - 16:10 CET"
This seems to impact VPN, Calendar, etc.
(and I imagine all other social media)
That way worst case you can switch it to another email provider/self-host.