If you feel you are missing emails in a thread -- it has happened a few times to me from microsoft.com senders, check your Spam folder.
"Why is this message in Spam? It has a from address in microsoft.com but has failed microsoft.com's required tests for authentication" (see attached screenshot). Learn more goes to: https://support.google.com/mail/answer/1366858 Not sure why this is happening. [image: Inline image 1]
