note 38137 added to ref.mail

I'm having trouble with hotmail accepting mail being sent from mail(). It seemed to work when I was on a server using php4.3 ... but we moved to a new server that uses php 4.0 and it doesn't seem to work. The funny thing is that it does send corretly to some email addresses that are NOT hotmail addresses. Has anyone else had this problem? It would be greatly appreciated if you could help. ---- Manual Page -- http://www.php.net/manual/en/ref.mail.php Edit -- http://master.php.net/manage/user-notes.php?action=edit+38137 Delete -- http://master.php.net/manage/user-notes.php?action=delete+38137&report=yes Reject -- http://master.php.net/manage/user-notes.php?action=reject+38137&report=yes Search -- http://master.php.net/manage/user-notes.php