need help with the commands for this posfix mail control problems in linux please and thank you

PART-F: POSTFIX-EMAIL CONTROL 21. In VM1, redirect all emails to johnnnnn to your local username 22. In VM2, redirect all emails to smithnnnn to your local username 23. In VM2, redirect email to nancynnnn to your VM1 and VM2 usernames. 24. In VM2, use canonical to redirect email sent to janennnn to your VM1 and VM2 usernames