Block Or Allow Junk Email Settings. In the Outlook app right-click on the email and select Junk Block Sender or left-click to select the email and click Junk in the Delete section of the Ribbon under the Home tab and select Block Sender. Unsubscribe from Mailing Lists To unsubscribe from newsletters and announcements from companies you can click the Unsubscribe button in an email.
Remove blocked addresses from the settings menu. Click the icon in the upper-right corner of the window. To work around the issue thats described in the Symptoms section use one of the following workarounds.
Use Exchange Online PowerShell to enable or disable the junk email rule in a mailbox.
Next to the senders name click Unsubscribe or Change preferences. The email will now be relocated to your Junk Email folder. It often happens that legitimate emails are being blocked or moved to the Junk folder by ISPs. Next to the senders name click Unsubscribe or Change preferences.
