Follow these steps to turn off incoming and outgoing email scanning:

1. Start Norton AntiVirus. If Norton AntiVirus is installed as part of Norton SystemWorks or Norton Internet Security, then start that program.

2. Click Options. If you see a menu, click Norton AntiVirus.

3. In the left pane, click Email.

4. In the right pane, uncheck Scan outgoing Email and incoming Email

5. Click OK. 

6. Close Norton AntiVirus