试题详情
- 单项选择题一些上网用户抱怨他们不能够发送Email了,但他们仍然能够接收到新的Email信件。那么作为管理员,下面哪一个项是首先应该检查的()。
A、该email服务器目前是否未连接到网络上?
B、处于客户端和Email服务器之间的Quidway路由器接口的访问列表项是否隐含了denysmtp流量的条目?
C、处于客户端和Email服务器之间的Quidway路由器接口的访问列表项是否隐含了denyany的条目?
D、处于客户端和Email服务器之间的Quidway路由器接口的访问列表项是否隐含了denypop流量的条目?
- B
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