• The Problem
• Deadletter Handlers as a Solution
• An API for Dealing with Deadletter Handlers
• so_subscribe_deadletter_handler
• so_drop_deadletter_handler
• so_has_deadletter_handler
• Other Methods
• Some Additional Information About Deadletter Handlers
• Deadletter Handlers are Removed by so_drop_subscription_for_all_states