"Notes" Appear in "Mail" Inbox

All of a sudden any new "Notes" (Apples Native Note App) I make are appearing in my "Mail" inbox. I don't want this to happen because I like to keep my inbox cleaned out and I lose my Notes on my iPod Touch when I sync to iTunes if I delete the note from the inbox. I don't recall changing any settings. Is there a way to make sure Notes doesn't appear in my inbox?

(The only thing I've done recently is installed the security update yesterday.)

Thank you in advance!

Judie