exchange发163 126 139 新浪等邮件被拒收 RRS feed

  • 问题

  • 各位大神好,上周开始我公司exchange 邮件发送外网邮件,如163 126 新浪 139 移动等公司的邮件时,邮件发出后一天收到系统通知,邮件未送达,

    This is the mail system at host

    I’m sorry to have to inform you that your message could not be delivered to one or more recipients. It’s attached below.

    For further assistance, please send mail to postmaster.

    If you do so, please include this problem report. You can delete your own text from the attached returned message.

    The mail system

    <邮箱地址>: connect to[]:25: Connection timed out

    2018年3月5日 3:47