What is the purpose of the command mailq?

What is the purpose of the command mailq?

A. It fetches new emails from a remote server using POP3 or IMAP.

B. It is a multi-user mailing list manager.

C. It is a proprietary tool contained only in the qmail MTA.

D. It queries the mail queue of the local MTA.

E. It is a command-line based tool for reading and writing emails.

View Answer

Answer: D