Changes to Create a mailbox

added the new daily_limit_exceeded enum value to the anyOf[#/components/schemas/Error]/code response property for the response status 403

added the new daily_limit_exceeded enum value to the code response property for the response status 400

added the new daily_limit_exceeded enum value to the code response property for the response status 401

added the new daily_limit_exceeded enum value to the code response property for the response status 402

added the new daily_limit_exceeded enum value to the code response property for the response status 404

added the new daily_limit_exceeded enum value to the code response property for the response status 409

added the new daily_limit_exceeded enum value to the code response property for the response status 429

added the new monthly_limit_exceeded enum value to the anyOf[#/components/schemas/Error]/code response property for the response status 403

added the new monthly_limit_exceeded enum value to the code response property for the response status 400

added the new monthly_limit_exceeded enum value to the code response property for the response status 401

added the new monthly_limit_exceeded enum value to the code response property for the response status 402

added the new monthly_limit_exceeded enum value to the code response property for the response status 404

added the new monthly_limit_exceeded enum value to the code response property for the response status 409

added the new monthly_limit_exceeded enum value to the code response property for the response status 429

added the new send_limit_exceeded enum value to the anyOf[#/components/schemas/Error]/code response property for the response status 403

added the new send_limit_exceeded enum value to the code response property for the response status 400

added the new send_limit_exceeded enum value to the code response property for the response status 401

added the new send_limit_exceeded enum value to the code response property for the response status 402

added the new send_limit_exceeded enum value to the code response property for the response status 404

added the new send_limit_exceeded enum value to the code response property for the response status 409

added the new send_limit_exceeded enum value to the code response property for the response status 429

added required request body

removed the success response with the status 200

added the non-success response with the status 400

added the non-success response with the status 401

added the non-success response with the status 402

added the non-success response with the status 403

added the non-success response with the status 404

added the non-success response with the status 409

added the non-success response with the status 429

added the success response with the status 201