Changes to Reply (threaded)

the bcc/items request property's maxLength was set to 320

the cc/items request property's maxLength was set to 320

the from request property's maxLength was set to 998

added the new optional request property quote_original

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 404

added the new daily_limit_exceeded enum value to the code response property for the response status 422

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 404

added the new monthly_limit_exceeded enum value to the code response property for the response status 422

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 404

added the new send_limit_exceeded enum value to the code response property for the response status 422

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

endpoint added