(Follow the instructions to disable email scanning.) See Symantec's page explaining how to temporarily disable email scanning. If you use Norton Internet Security and have email problems, first try temporarily disabling email scanning. Norton Internet Security, Norton Personal Firewall, Norton Online Protection, or Norton Personal Firewall Online You should contact Symantec (Norton) for assistance. If either of these help, then Norton AntiVirus is causing the problem. This page explains how to temporarily turn off Internet Worm Protection (follow the instructions in step 3). If that doesn't help, or if you have other connection issues (such as problems with FTP connections), the Norton AntiVirus 'Internet Worm Protection' feature (which is really a firewall) may be blocking the connections. If you have email problems while using Norton Antivirus 2003 through 2006, first try temporarily disabling email scanning. Norton AntiVirus for Windows, or Norton Virus Protection If your program is not on the list, you should consult the documentation that came with the program to learn how to disable it.

Norton Internet Security, Norton Personal Firewall, Norton Online Protection, or Norton Personal Firewall Online.

Norton AntiVirus for Windows, or Norton Virus Protection.

Here are instructions for some of the more common programs: Unfortunately, there are many different 'Norton' security products, each of which has a different method to use to temporarily disable the program. (Be aware that disabling the software temporarily lowers your security protection you should re-enable the software after the test.)

If you use Norton security products and you have email, FTP or secure website connection problems, we recommend that you temporarily disable the Norton software as a test to see if it's causing the trouble. We've noticed that our customers frequently report connection problems caused by Norton security software, particularly when sending or receiving email.

Norton 360 total protection email