Linux下如何发送邮件

1.安装配置mailx：

yum install mailx -y

2.邮箱配置文件

cat > /etc/mail.rc << 'EOF' 
set from=1520064968@qq.com
set smtp=smtps://smtp.qq.com:465
set smtp-auth-user=1520064968@qq.com
set smtp-auth-password= xxxxxxxxxxx
set smtp-auth=login
set ssl-verify=ignore
set nss-config-dir=/etc/pki/nssdb/
EOF

3、邮件发送

mail -s "check-rsync-$(date +%F)" xxxxx@qq.com < /backup/check_md5.txt