yum install sendmail #安装
service sendmail start #启动
chkconfig sendmail on #设置开机启动
或者
yum install postfix
service postfix start
chkconfig postfix on
yum install sendmail #安装
service sendmail start #启动
chkconfig sendmail on #设置开机启动
或者
yum install postfix
service postfix start
chkconfig postfix on