note 53835 added to ref.mail

Hi, i have a problem,my function mail() don't send the mail to the @hotmail account. The code is: $header = "MIME-Version: 1.0\r\n"; $header .= "Content-type: text/html; charset=iso-8859-1\r\n"; $header .= "Organization: $my_org\r\n"; $header .= "Content-Transfer-encoding: 8bit\r\n"; $header .= "To: <".$a.">\r\n"; $header .= "From: <from@mail.it>\r\n"; $header .= "X-Priority: 1\r\n"; $header .= "X-MSmail-Priority: Normal\r\n"; $header .= "X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1441\r\n"; $header .= "X-Sender: from@mail.it\r\n"; $header .= "X-AntiAbuse: This is a solicited email for - my mailing list.\r\n"; $header .= "X-AntiAbuse: Servername - {".$_SERVER['SERVER_NAME']."}\r\n"; $header .= "X-AntiAbuse: User - from@mail.it\r\n"; @mail($to, $title, $message, $header); What can i do? my $header is correct? please help me, thanks Bye, Andrea ---- Manual Page -- http://www.php.net/manual/en/ref.mail.php Edit -- http://master.php.net/manage/user-notes.php?action=edit+53835 Delete: added to the manual -- http://master.php.net/manage/user-notes.php?action=delete+53835&report=yes&reason=added+to+the+manual Delete: bad code -- http://master.php.net/manage/user-notes.php?action=delete+53835&report=yes&reason=bad+code Delete: spam -- http://master.php.net/manage/user-notes.php?action=delete+53835&report=yes&reason=spam Delete: useless -- http://master.php.net/manage/user-notes.php?action=delete+53835&report=yes&reason=useless Delete: other reasons -- http://master.php.net/manage/user-notes.php?action=delete+53835&report=yes Reject -- http://master.php.net/manage/user-notes.php?action=reject+53835&report=yes Search -- http://master.php.net/manage/user-notes.php