How does eFax Message Center Work?

Think of the Message Center as your eFax inbox, the page in your MyAccount interface where you can search for, view and forward your stored faxes.You can access the Message Center anytime, anywhere you have an Internet connection.
Note: With your eFax Plus or eFax Pro account, you can also use Message Center to add your electronic signature to a fax before sending or forwarding.

From eFax Message Center You Can:

The Message Center Interface