My .NET Framework (4.8.1) application using MS Graph 4.54.0 cannot send emails. Authentication works, but when it calls GraphServiceClient.Users[MailConfiguration.Email.Sender].SendMail(message, ...

We're going to take a tour of the basic behavior of .NET 6 and .NET Framework 4.8.1 on Windows 11 Arm64. This tour of the experience is going to give us a sense of which .NET variants can be installed ...