This is the instructions for Norton 360 (let me know if these are different than what you have):
1. Right-click the 'Norton 360'
icon in your system tray and select 'Open Norton 360'
2. At this point, the 'Norton 360'
dialog opens. Place your mouse over the 'PC Security'
tab and choose the 'Manage Firewall'
option in the list that appears.
3. Select the 'Program Rules'
tab and click 'Add
4. At this point, the 'Select a program'
dialog opens. Browse to the following location:C:\Program Files\IncrediMail\binPlease Note:
If you installed IncrediMail in a different location, browse to that location.
5. Select each of the following processes and click 'Open
' (you will need to repeat this one at a time for each process):
6. Next to the process you add, make sure to select 'Allow
' from the drop-down list to the right. Please repeat Steps 5 and 6 to add all four IncrediMail processes.
7. Once all the processes have been added, click 'Apply
' and then close all open dialogs.