How To Block A Domain In Outlook Mail On The Web
Block a Domain in Outlook Mail on the Web To have Outlook Mail on the web reject messages from all email addresses at a specific domain: Select Settings (the gear icon ⚙️). Select View all Outlook settings. Select Mail > Junk email. In the Blocked senders and domains section, select Add. Type the domain name you want to block, then press Enter to add the domain to the list. The domain name appears after the @ in an email address....