note 58889 added to ref.mail

I got this error:- SMTP server response: 554 <@hotmail.com>: Relay access denied in what should i do n what is the problem? Thanks... ---- Manual Page -- http://www.php.net/manual/en/ref.mail.php Edit -- http://master.php.net/manage/user-notes.php?action=edit+58889 Delete: added to the manual -- http://master.php.net/manage/user-notes.php?action=delete+58889&report=yes&reason=added+to+the+manual Delete: bad code -- http://master.php.net/manage/user-notes.php?action=delete+58889&report=yes&reason=bad+code Delete: spam -- http://master.php.net/manage/user-notes.php?action=delete+58889&report=yes&reason=spam Delete: useless -- http://master.php.net/manage/user-notes.php?action=delete+58889&report=yes&reason=useless Delete: non-english -- http://master.php.net/manage/user-notes.php?action=delete+58889&report=yes&reason=non-english Delete: already in docs -- http://master.php.net/manage/user-notes.php?action=delete+58889&report=yes&reason=already+in+docs Delete: other reasons -- http://master.php.net/manage/user-notes.php?action=delete+58889&report=yes Reject -- http://master.php.net/manage/user-notes.php?action=reject+58889&report=yes Search -- http://master.php.net/manage/user-notes.php