How to delist your ip / email from Outlook / Hotmail / Microsoft Office 365 blocklist   

Ganapathy Kamath  |  05 Jan, 2018


In case if you have issues with sending emails to any of the Microsoft Email services / Domains like.
or having problems sending emails to Office 365 recipients, then it’s most likely that your IP has been blacklisted by Outlook (Microsoft), and you will need to get it delisted before your emails can reach any Outlook or Office 365 users.

So before we begin please ensure your ip is not listed and you investigate to why was your ip listed. Also ensure your ip is not on any spam engines. To check you may list the following websites



First and foremost, before proceeding with any delisting procedures, make sure to fix the issues that got you blacklisted in the first place. This step is extremely important, and if you do not fix the issue that got you blacklisted, you’ll just end up being blacklisted again shortly after getting delisted.

To contact Microsooft/ Outlook/ Office 365/ Hotmail / Live here is the form

Carefully fill the details, give correct information so that the de-lsiting is done quickly.

Please note, that it would take a min of 24 to 48 hrs depending on the day etc, for the team to get back to you. Also provide correct email id where you would get a response from the team.

You patience is the most important tool here.


  • How to delist your i

    05 Jan 2018