Lexmark CX725
From the home screen, touch Settings > Fax > Fax Setup > Fax Receive Settings > Admin Controls.
Touch Fax Forwarding > Forward.
Configure the Forward to and Confirmation E‑mail settings.
Lexmark CX/CS8xx_72x and XC/Cxxxx: Fax Forwarding Issues
Find out how to generate reports on incoming or outgoing fax messages.