I tried to update an account and I’m too now getting an error
I have submitted a PR here. Used the compiled DLL in my Windows PC and it worked.
You can compile my code and use the compiled mailcore2.dll to replace your old one, or you can take the one I have saved on a pretend release on my fork and use that. I’d recommend renaming the old one rather than replacing it, just in case.
In Windows, you can find the file to replace at C:\Users\[YOUR_USERNAME]\AppData\Local\Mailspring\app-1.10.5\resources\app.asar.unpacked/
Links
PR: SMTP fix [+ HELP] - Community#1625 by glenn2223 · Pull Request #6 · Foundry376/Mailspring-Sync · GitHub
FIXED DLL: Release Fixed DLL · glenn2223/Mailspring-Sync · GitHub