entos 7 mailx配置163邮箱发送邮件

set from=wcczcl@163.com
set smtp.163.com
set smtp-auth-user=wcczcl
set smtp-auth-password=1454545  
set smtp-auth=login
set smtp-use-starttls
set ssl-verify=ignore
set nss-config-dir=/root/.certs

from：对方收到邮件时显示的发件人
smtp：指定第三方发邮件的smtp服务器地址
set smtp-auth-user：第三方发邮件的用户名
set smtp-auth-password：用户名对应的密码,有些邮箱填的是授权码
smtp-auth：SMTP的认证方式，默认是login，也可以改成CRAM-MD5或PLAIN方式

mkdir -p /root/.certs/
echo -n | openssl s_client -connect smtp.163.com:465 | sed -ne ‘/-BEGIN CERTIFICATE-/,/-END CERTIFICATE-/p‘ > ~/.certs/163.crt
certutil -A -n "GeoTrust SSL CA" -t "C,," -d ~/.certs -i ~/.certs/163.crt
certutil -A -n "GeoTrust Global CA" -t "C,," -d ~/.certs -i ~/.certs/163.crt
certutil -L -d /root/.certs

cd /root/.certs/
certutil -A -n "GeoTrust SSL CA - G3" -t "Pu,Pu,Pu" -d ./ -i 163.crt