Publish a web version, similar to the online web version of VSCode at https://vscode.dev/ . support self-hosted deployment, so we can use it anywhere on any device just use a browser to connect to the server like homelab machine or aws ec2 and so on.
Why not just use your email provider’s webmail site? Why involve a 3rd party?
I have multiple email accounts, including Gmail, Outlook, ProtonMail, and my company’s internal email, among others. I want to manage and use them all in a unified way. If possible, I’d like to deploy the solution using Docker on a server so that no matter whether I’m at the company or at home, and regardless of whether I’m using a PC, Mac, or iPad, I can conveniently receive and send emails.