Hotmail reject mail from exchange server 2010 RRS feed

  • Question

  • I receive message from hotmail as below: rejected your message to the following e-mail addresses:<o:p></o:p> gave this error:
    SC-001 (COL004-MC3F45) 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

    I've check, our IP is not on spamlist.

    I've check the MX record all reply OK, except warning smtp reply a bit slow.

    How can I correct this issue. Please help.

    my email address are:

    [Removed email addresses]

    Best regards

    Thursday, June 25, 2015 8:40 AM


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