在哪个文件中保存了sendmail的别名()。
A./etc/aliases
B./etc/mailaliases
C./etc/sendmail.aliases
D./etc/sendmail/aliases
下面哪个文件定义了网络服务的端口()。A./etc/netportB./etc/servicesC./etc/serverD./etc/netconf
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哪个文件中保存着系统用户帐户信息?()A./etc/shadowB./etc/issueC./etc/passwdD./etc/hosts.allow
Whatcommandwouldbeusedtorestartthemaildaemon?()A.sendmail-biB.refresh-ssendmailC.restart-asendmailD./etc/sendmail.cf-stop/etc/sendmail.cf-start
What is the default configuration file used by the sendmail command?()A. /etc/rc/rc.mailB. /etc/mail.configC. /etc/sendmail.configD. /etc/mail/sendmail.cf
在默认的安装中，Apache把自己的配置文件放在了以下哪个目录中( )?A、/etc/httpd/B、/etc/httpd/conf/C、/etc/D、/etc/apache/
某公司的邮件服务器采用的是运行在Linux系统上的Sendmail软件，为了防止公司的邮件服务器成为垃圾邮件中转站，公司只想接收或转发来自本地192.168.1.0/24的邮件，管理员小胡首先应该在文件（）中添加如下一行：192.168.1RELAY。A、/etc/mail/local-hosts-namesB、/etc/mail/sendmail.cwC、/etc/mail/aliasesD、/etc/mail/access
邮件服务器sendmail的主配置文件是（）。A、/etc/named.confB、/etc/mail/sendmail.cfC、/etc/mail/sendmail.cwD、/etc/mail/sendmail.mc
