HomeMicrosoft OfficeOutlookMicrosoft Outlook Email Error Code – 550 OU-001

Microsoft Outlook Email Error Code – 550 OU-001

In this post, let’s have a look at the error code “550 OU-001” that you get as bounce back when you are trying to send a email via Microsoft’s Outlook.com.

Every Mail Servers that uses SMTP protocol to send emails have a list of errors that is usually displayed to the user when there is an email bounceback. Here’s we look at a specific error code that we receive and what it means for the user when using outlook ot Hotmail.

Error Message

550 OU-001

Error Details

Mail rejected by Outlook.com for policy reasons. If you are not an email/network admin please contact your Email/Internet Service Provider for help. For more information about this block and to request removal please go to: http://www.spamhaus.org.

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