Outlook.com email addresses rejecting email with 550 SC-001 (BAY0-MC1-F26)

Discussion in 'Mail Server Support' started by popowich, Mar 25, 2014.

  1. popowich

    popowich EQ Forum Admin Staff Member

    Aug 12, 2008
    Likes Received:
    If email from you to outlook.com and other Microsoft services such as Hotmail is blacklisted with error code 550 SC-001 (BAY0-MC1-F26) please take a few minutes to examine your outgoing mail logs. If you are an end user you may need to contact your ISP and ask them to check their outgoing mail server for signs of abuse. After stopping the abuse wait for the queues to clear and then use this form to contact Microsoft.

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