Backends? I can't get to sleep without at least asking the question. Van these clients work with backends other than ProtoMail?

[chris2fr]

We are happy to answer your questions about the code or discuss technical ideas.

Please complete the following checklist (by adding [x]):

• [x] I have searched open and closed issues for duplicates
• [x] This isn't a feature request
• [x] This is not a report about my app not working as expected

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[mmso]

If this is referring to self-hosting the Proton backend, please see the answer in https://github.com/ProtonMail/WebClients/issues/257#issuecomment-964240013

Otherwise, yes it would be technically possible for these clients to work on other backends compatible with the ProtonMail API.