Which of the following is MOST likely the cause of the issue?

Joe, a user, did not receive emails over the weekend like he usually does. Productivity software is functioning properly. Joe never powers off his computer and typically leaves all applications open. No other users are reporting email issues .

Which of the following is MOST likely the cause of the issue?
A . There is an OS update failure.
B . Out-of-office is turned on.
C . There is an Internet connectivity issue.
D . SMTP services are not running.

Answer: C