How to Remove Us from Hotmail Blocked IP Blacklist RRS feed

  • Question

  • Hi Support,


    One of our IP address has been blacklisted by hotmail.


    Our IP address and domain names are often spoofed by spammers however we have installed an Anti-Spam appliance recently to filter the outgoing and incoming emails to prevent our mail server to sending spam emails.


    Currently, we're facing issues on sending emails to some of our vendors and business partners that using Hotmail as their main contact.


    Please remove our IP Address from Hotmail blocked IP Blacklist



    Below are the IP address and Domain Name blocked by Hotmail,

    IP Address:




    This message was created automatically by mail delivery software,



    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


    <>: host[] said:


        OU-002 (SNT0-MC2-F14) Unfortunately, messages from weren't

        sent. Please contact your Internet service provider since part of their

        network is on our block list. You can also refer your provider to (in reply to MAIL

        FROM command)




    Thank you


    Eric Kok

    IT Operation Specialist

    DID: +65-6849-4389




    Monday, October 31, 2011 7:21 AM