Postfix使用海外邮件中继解决乱发被利用问题

使用postfix系统的朋友都会设置 一些自动发送邮件给用户,当你的用户发送了很多了的群发 邮件或者被黑客利用发送了大量的垃圾邮件。我们整理了下以下集中特殊的情况

1、被盗用简单密码的用户大量发送了垃圾邮件

2、帐号在不断的变换不是本postfix系统的域名

3、在很短时间内发送了大量地址不存在的错误地址或者域名不存在

Hello, My friend

Wed Dec 25 19:00:01 CST 2013 Please be noted the following email box cannot send email from now on. jeffrey.zhou@abc.com

We terminate the email sending function for this email address as this email box send out too many emails within little times. We suspect this email address password is stolen by others. Please contact the owner of the email address to change the password. After that, please let me know and I will then refresh all the functions to this email box.

You should better send mail to me, service@emailsos.net? If you own this email box, you can contact me with tel: 86-21-60494579 Thanks for your time.

jimmy

www.emailsos.net