You can try checking your account settings first for possible reasons why you can't receive e-mails from some websites. Visit these solution posts for the steps:
http://windowslivehelp.com/solutions/settings/archive/2009/02/18/not-receiving-e-mail-from-contacts.aspx
http://windowslivehelp.com/solutions/settings/archive/2009/03/03/how-to-set-or-change-reply-address.aspx
Note: I've moved your post to the Mail Delivery forum because this is the appropriate one for it.