550 SC-001 (SNT0-MC1-F32)

Discussion in 'Help Desk' started by supporthostpro, Jan 8, 2013.

  1. supporthostpro

    supporthostpro New Email

    Jan 8, 2013
    Likes Received:
    Hi guys,

    Could you please tell me why your servers reject emails sent from
    I checked the servers mail log and found the following error
    2013-01-07 21:02:14 1TsHxd-0008Lj-KQ ** mary.sha@live.ru R=lookuphost T=remote_smtp: SMTP error from remote mail server after MAIL FROM:<test@kyivenergo.ua> SIZE=3832: host mx1.hotmail.com []: 550 SC-001 (COL0-MC2-F28) 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 Troubleshooting.

    I checked spam bases and the IP isn't listed there.
    Network Tools: DNS,IP,Email

    Please let me know what should I do in order to get this problem fixed.

    Thank you.

    Yakiv S.

  2. popowich

    popowich EQ Forum Admin Staff Member

    Aug 12, 2008
    Likes Received:
    Hi Vakiv,

    You can use the form in this post to contact Hotmail and get your server unblocked:

    Hotmail Blacklist

    Last edited: Aug 26, 2016

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