The link below will provide email setup instructions for Apple Mail 3.0, Outlook Express, Outlook 2002, Outlook 2003, Outlook 2007, Thunderbird 2.0 and Windows Mail.http://mail.google.com/support/bin/answer.py?hl=en&ctx=mail&answer=12103
If you find a message wrongly classified as spam, you can unmark the message. Click here for instructions: http://mail.google.com/support/bin/answer.py?hl=en&answer=9008