Damon enables an SMTP resource for content protection. He notices that mail seems to slow down on occasion, sometimes being delivered late. Which of the following might improve throughput performance?
A.
Configuring the SMTP resource to bypass the CVP resource
B.
Increasing the Maximum number of mail messages in the Gateway’s spool directory
C.
Configuring the Content Vector Protocol (CVP) resource to forward the mail to the internal SMTP server, without waiting for a response from the Security Gateway
D.
Configuring the CVP resource to return the mail to the Gateway
E.
Configuring the SMTP resource to only allow mail with Damon’s company’s domain name in the header