Question: In order to block users from setting up their own email servers inside the corporate network a firewall rule can be set to: a .

In order to block users from setting up their own email servers inside the corporate network a firewall rule can be set to:
a. Deny "email" from external to internal
b. None of the options are correct
c. Deny DNS packets
d. Alter the Level 7 header
e. Deny port packets routed via port 53
In order to block users from setting up their own

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