If you want to print a listing of your computer's mail queues, what command would you use?

`sendmail -l` is not a standard command or option for listing mail queues; `sendmail` is the Mail Transfer Agent itself.

`lpq` is used to examine the line printer spool queue, not the mail queue.

The `mailq` command is specifically designed to display a listing of all messages currently in the sendmail or Postfix mail queues, providing details like sender, recipient, size, and status. It allows administrators to monitor the flow of email and identify potential delivery issues.

`mlq` is not a recognized command for mail queue management.