Answer:
so that their username will still be used and so the can renember the username
Explanation:
that is why
Control <span>is the process of causing a system variable to conform to some desired value. Options Control feedback Design none of the above</span>
If a client initiates the SMTP communication using an EHLO (Extended Hello) command instead of the HELO command some additional SMTP commands are often available. They are often referred to as Extended SMTP (ESMTP) commands or SMTP service extensions. Every server can have its own set of extended SMTP commands.
