You can go here: http://mail.google.com/mail/#settings/f ilters
And click "create a new filter," put lj_dontreply@insanejournal.com in the "from" box and click "next" and click "never send to spam."
And click "create a new filter," put lj_dontreply@insanejournal.com in the "from" box and click "next" and click "never send to spam."