You can find your Fusemail login screen by typing the following into the address bar of the browser of your choice:
Your screen should look something like this:
Type your full email address and the password you created, and click Log-in.
If you have never logged in to Fusemail before, you will need to click the Forgot password? button to set your password up.
Once logged in, click on the Allow & Deny List link on the left side of the screen. The lists are separated into Allow and Deny.
Type any email address or domain name into the Sender e-mail, domain, or IP address field on the far right side of the screen (towards the top)*
Click Add at the bottom of the interface.
* Only add domain names of trusted companies. Try to avoid adding general domain names like gmail.com, yahoo.com, hotmail.com, etc.