BCC as spam

I routinely BCC myself to have a copy of Sent e-mails.  Norton almost always classifies my e-mail copy as Spam and puts it in the Junk E-mail folder, even though I have included my e-mail address on the Allowed List.  How can I stop Norton from doing this?  P.S.  In case it matters, I am using Windows 7 and Outlook 2007.