- Right-click on the email message that contains the address you wish to add to either the safe list or block list.
- Choose Junk, then select either Block Sender, Never Block Sender, Never Block Senders Domain or Never Block this Group or Mailing list.
- Log in to OWA and right-click on the message.
- Select Junk E-mail.
- Select Add Sender to Blocked Senders List OR Add Sender to Safe Senders List OR Add Sender's Domain to Safe Senders List.