TOL PP Secure Messaging help desk provides dedicated support for all end-users at 1-866-309-4138. Visit the TOL PP at www.TRICAREOnline.com. August 2019. How do I access TOL Patient Portal Secure Messaging? 1.Go to www.TRICAREOnline.com. ... TRICARE Online Patient Portal - Secure Messaging and how to get access online. ....