mail命令發送郵件

1.安裝mail了mutt
yum -y install mailx
yum -y install mutt

2.修改/etc/mail.rc
在末尾添加如下信息：
set from=username@163.com#能夠不寫
set smtp=smtp.joyveb.com
set smtp-auth=login
set smtp-auth-user=user
set smtp-auth-password=password

3. 測試：echo "test1234" | mail -s "test" username@joyveb.com