An administrator has installed a network based security appliance. The security appliance was
placed between the email server and the company’s Internet gateway. Employees are now
reporting issues with email synchronization. Which of the following is the MOST likely reason for
the issue?
A.
The SSL certificate on all employees’ mobile devices has expired.
B.
The employees are reporting what is known to be a false positive.
C.
A required port is being blocked by the newly installed network device.
D.
The email server must be reconfigured to account for the security appliance.
Explanation: