CentOS中用SSL发邮件

参考:
https://blog.51cto.com/735526/2112807
https://www.jianshu.com/p/597a927b4b8d

安装 sendmail.mailx:
yum -y install sendmail
yum install mailx -y

设置好自启动:
chkconfig sendmail on

启动 sendmail:
service sendmail start

下载 mail.rc_ssl.crt.zip 解压到 /etc 目录下。链接如下：链接：http://pan.baidu.com/s/1jIHW6Y6 密码：9brj

vi /etc/mail.rc
set from="发件人邮箱"
set smtp=smtps://smtp.qiye.163.com:465
set nss-config-dir=/etc/mail.rc_ssl.crt
set ssl-verify=ignore
set smtp-auth=login
set smtp-auth-user=用户名
set smtp-auth-password=密码

测试: echo "邮件内容" |mail -s "邮件主题" 收件人邮箱