note 81469 added to ref.mail

I don't understand why the following mail (composed via php) does not work with outlook 2003: <pre>Return-Path: <anonymous@myserver.it> Delivered-To: recipient@anotherServer.eu Received: (qmail 21211 invoked by uid 33); 29 Feb 2008 13:02:46 -0000 Date: 29 Feb 2008 13:02:46 -0000 Message-ID: <20080229130246.21210.qmail@myserver.it> To: recipient@anotherServer.eu Subject: subject subject subject MIME-version: 1.0 From: Sender <sender@theServer.com> Content-type: multipart/alternative; boundary="48c25e4362ba65fb3a3c59dc11fee695" This is a multipart message in MIME format. --48c25e4362ba65fb3a3c59dc11fee695 Content-type: text/plain; charset="UTF-8" Content-transfer-encoding: 8bit plain text plain text plain text plain text plain text plain text plain text --48c25e4362ba65fb3a3c59dc11fee695 Content-type: text/html; charset="UTF-8" Content-transfer-encoding: 8bit html text html text html text html text html text html text html text --48c25e4362ba65fb3a3c59dc11fee695-- </pre> the client still shows the text version of the mail even if I set "view in HTML format" ---- Server IP: 213.92.11.19 Probable Submitter: 213.209.194.79 ---- Manual Page -- http://www.php.net/manual/en/ref.mail.php Edit -- https://master.php.net/note/edit/81469 Del: integrated -- https://master.php.net/note/delete/81469/integrated Del: useless -- https://master.php.net/note/delete/81469/useless Del: bad code -- https://master.php.net/note/delete/81469/bad+code Del: spam -- https://master.php.net/note/delete/81469/spam Del: non-english -- https://master.php.net/note/delete/81469/non-english Del: in docs -- https://master.php.net/note/delete/81469/in+docs Del: other reasons-- https://master.php.net/note/delete/81469 Reject -- https://master.php.net/note/reject/81469 Search -- https://master.php.net/manage/user-notes.php