Available to customers who use ups shipping software that can be integrated with existing in - house systems or a host - to - host system 可供使用ups托运软体能够与现有公司内部系统或主机到主机系统整合的客户使用
2.
This solution still poses a problem when using cryptographic keys in a server environment host - to - host authentication instead of user - to - host authentication 在服务器环境（主机到主机认证而不是用户到主机认证）中使用加密密钥时，这种解决方案仍然存在问题。
