Hello,
Is your Hotmail not getting email from one or your contacts or services?
Here is an example that shows how to add Twitter to your safe senders list.
First, go to the top right of your inbox, click the Gear, and select More Mail Settings:
Next, click Safe and Blocked senders:
Next, click Safe Senders:
Last, type in the address, in this example
notify@twitter.com, that you want to whitelist:
Click the Add to List button and it will appear on the right side column.
To get back to your Inbox click the Outlook logo in the top left of your screen.