At this point, you need to stop. Now that she's drawn the line in the sand, whenever you cross it she has grounds for filing harassment or stalking charges against you. Eventually, if you continue contacting her, she'll have enough evidence to have a restraining order put in place. If you violate that, then you're looking at being in contempt of court, with fines and maybe jail.
It wouldn't be worth it for me.
Why do we torture ourselves? Why do we keep going back to the people who emotionally abuse us and reject us in the name of Christian Loveā¢? We don't need to martyr ourselves to their abusive behaviour.
What we need to do instead is to live our lives to the best of our ability, and never look back. There's no better revenge than living well.