与其它软件产品的一次性销售不同,安全软件离不开后期的相关服务,因为用户购买产品后还需要厂商提供长期的服务支持。然而,高质量的服务需要一定的成本支出,当这笔费用变得越来越大时,e刀客发现许多安全厂商开始举起收费的大旗。 为什么要收费 不知不觉中,e刀客发现安全软件公司推出了许多收费的服务内容,难道安全产品也和电子邮件一 Unlike the one-off sales of other software products, the security software can not be separated from the related services in the later period, because users need to provide long-term service support after the users purchase the products. However, high-quality services require a certain amount of cost. When the cost becomes larger and larger, e-swordsman discovers that many security companies have begun to raise the banner of charges. Why charge? Unconsciously, e knife and guest found that the security software company launched a lot of paid service content, is it safe products and e-mail