Donate an email for debugging
Some way to easily donate a misbehaving email to us so we could take a look and debug it would be useful.
At the very least, providing the full original contents of the mail so the user can manually file an issue would be good. More interestingly, automatically uploading it somewhere (with proper consent, of course) could be more frictionless.
Here is an email from Medium showing correctly in mailspring:

The same mail in elementary mail:

The full source (without the sensitive data):
@wout please file a new issue for that, as this issue is specifically requesting a new feature that allows users to donate an email, not a place to collect said donated emails. :smile:
@cassidyjames Ok, I'll create a new issue. :smile: