For Outlook.com, Windows Live Mail, Hotmail, and MSN Mail sign in to your account at Outlook.com and do the following:
Add the address to your contacts
Add the email address that is sending you an email (e.g. hello@example.com) to your Outlook.com Contacts:
Add the address to your safe senders
- Click the cog icon in the top-right corner and then More mail settings
- Select Safe and blocked senders and then Safe senders
- Add the domain of the email (eg example.com) you want to whitelist to the list of safe senders
- Click the cog icon in the top-right corner and then More mail settings
- Select Safe and blocked senders and then Safe senders
- Add the domain of the email (eg example.com) you want to whitelist to the list of safe senders