As a check first of all you can quickly disable Nortons by right clicking on the Nortons icon in the bottom bar and selecting Disable Norton Internet Security and Disable AntiVirus Auto-Protect. (We are using Windows XP). Then do the Ace Payroll test email.
To allow internet access for Ace Payroll, open Nortons, click on Personal Firewall and click the Configure button.
Then click on Programs. Ace Payroll should be somewhere near the top.
Click on Ace Payroll and select Permit All. Then click OK and close down Nortons.