Hello Mike, and thank you for choosing JUSTANSWER.com
So, you sent an email FROM your Gmail account......and now, there is no record that you ever sent that email?
That sounds very wierd, and sounds like the Gmail might be suffering from issues.
Would you be okay with a Remote Session, so I can investigate in more detail on your machine?
Yes sorry, took a phone call.
Okay, i will put a request for remote access, once you accept we can begin