If you aren't receiving e-mail that has been sent by people you know, it may be because your Junk e-mail filter or your Blocked sender list has excluded them.
Sign in to the Windows Live Hotmail website with your Windows Live ID (The user name and password that you use to sign in to any Windows Live, MSN, or Office Live sites and services. If you have a Passport Network, Hotmail, or Messenger account, you can use it as your Windows Live ID.) .
In the upper-right corner of the page, click Options, and then click More options.
Under Junk e-mail, click Filters and reporting.
Under Choose a junk e-mail filter, choose the level of protection that you want, and then click Save. If the Exclusive level was set, messages from senders not on your Contacts or Safe senders lists will have been sent to the Junk e-mail folder.
In the left pane, click Mail.
In the Junk e-mail folder, select the message that you want to be delivered to your Inbox, and then, in the reading pane, click Mark as safe.
Sign in to the Windows Live Hotmail website with your Windows Live ID (The user name and password that you use to sign in to any Windows Live, MSN, or Office Live sites and services. If you have a Passport Network, Hotmail, or Messenger account, you can use it as your Windows Live ID.) .
In the upper-right corner of the page, click Options, and then click More options.
Under Junk e-mail, click Safe and blocked senders.
Click Blocked senders.
In the Blocked senders list, select the name or domain (The part of an e-mail address that follows the @ sign, such as msn or hotmail.) that you now want to receive mail from, and then click Remove from List.