Which command, available with all MTAs, is used to list the contents of the MTA’s mail queue?

CORRECT TEXT

Which command, available with all MTAs, is used to list the contents of the MTA’s mail queue?
(Specify ONLY the command without any path or parameters.)

Answer: mailq, /usr/bin/mailq, sendmail -bp, /usr/sbin/sendmail -bp, /usr/lib/sendmail -bp,

Explanation:
sendmail, /usr/sbin/sendmail, /usr/lib/sendmail