Delisting requests through Microsoft Office 365 Anti-Spam IP Delist Portal
In the event that you utilize a Microsoft or Office 365-hosted email address and experience a failure or soft bounce, it is possible that the Microsoft has blocked the sender IP address due to certain reasons. This situation may occur even if the all the settings have been correctly configured. To address this matter, it is necessary to initiate a request for delisting through the Office 365 Anti-Spam IP Delist Portal.
To submit a request, follow the below steps:
STEP 1: Go to Office 365 Anti-Spam IP Delist Portal or [https://sender.office.com]. Enter your email address and IP address in the corresponding text fields, then enter the characters you see for verification. Click Submit.
STEP 2: An email with instructions will be sent to your given email address.
STEP 3: Confirm your email address by clicking the link that was sent to your email.
STEP 4: Verify the email and IP address as correct. Once done, choose Delist IP address. You will receive a confirmation from Office 365 once the request has been processed.
NOTE: If you did not receive the email, remember to check your Spam or Junk folder.It normally takes 30 minutes to 24 hours for the Workstream notifications to resume.
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