A system administrator complains that a user's system has been forwarding unsolicited email (spam) to mass email lists. Which of the following actions needs to be done to sendmail to stop the spam?
A. Change the firewall rules.
B. Restart the sendmail daemon.
C. Restrict relay domains in the sendmail configuration.
D. Change the SMTP mail server in the sendmail configuration.
Answer: C
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CompTIA
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