An administrator notices that an e-mail server is currently relaying e-mail (including spam) for any e-mail server requesting relaying. Upon further investigation the administrator notices the existence of /etc/mail/relay domains. What modifications should the administrator make to the relay domains filet prevent relaying for non-explicitly named domains?
A.
Move the .* entry to the bottom of the relay domains file and restart the e-mail process.
B.
Move the .* entry to the top of the relay domains file and restart the e-mail process.
C.
Delete the .* entry in the relay domains file and restart the e-mail process.
D.
Delete the relay domains file from the /etc/mail folder and restart the e-mail process.