Add addresses to safe and blocked sender lists in Outlook on the web

1. Sign-in to your Office 365 account: https://outlook.office365.com/owa/buffalostate.edu 
2. Click the Setting (gear icon) in the top right corner and select Mail under Your app settings.
3. Expand Mail > Accounts and select Block or allow.
4. To add an address to the Safe Senders and Recipients list, type or paste an address into the Enter a sender or domain here box and then click the plus sign.

5. To add an address to the Blocked Senders list, type or paste an address into the Enter a sender or domain here box and then click the plus sign.