linux邮件服务器 postfix配置

http://www.cnblogs.com/dudu/archive/2012/12/12/linux-postfix-mailserver.html

echo "Mail Content" | mail -s "Mail Subject" xxxx@xxx.com

http://zhumeng8337797.blog.163.com/blog/static/100768914201331611325899/

http://yyy3y.blog.51cto.com/3907806/718339