|Come on guys, of course it's not Norton. Plenty people think it's crap, but it works for hundreds of thousands others. No, I don't want to go into the Norton good/Norton bad debate, it's on too many other threads in this forum. But it doesn't simply block all outgoing emails.|
In the Outlook accounts setup page (Tools, Email accounts) you can test the settings, when it will check the connections to the POP and SMTP servers. Have you tried this, and if the SMTP side failed, what error did you get? Have you tried ticking/unticking the "authentication required" option?