IMAP output Problem (Please help me......!?)

[mrg2007]

[b]i have problem with output of imap_body function
when i receive a mail with html form
i face to additional text around the main of message in email
for example :
i send a message(email) by outlook express with html format to my email that i want show by imap_body like this:
Hello World!

after send a email with outlook express
i use this code to view my email: [/b] [color=blue]<?php
$mail=imap_open("{mrg.name:143/imap}INBOX","myemail","mypassword");
echo nl2br(imap_body($mail,$i));
imap_close($mail);
?> [/color]

[b]this text view in my output: [/b]
[color=green]
This is a multi-part message in MIME format.

------=_NextPart_000_0014_01C3EE11.5A3FEF20
Content-Type: text/plain;
charset="utf-8"
Content-Transfer-Encoding: 7bit

[color=red]Hello World [/color]


------=_NextPart_000_0014_01C3EE11.5A3FEF20
Content-Type: text/html;
charset="utf-8"
Content-Transfer-Encoding: quoted-printable

xmlns:w=3D"urn:schemas-microsoft-com : office:word" =
xmlns=3D"http://www.w3.org/TR/REC-html40">














style=3D'text-align:left;direction:ltr;unicode-bidi:
embed'> style=3D'font-size:10.0pt;font-family:Arial'>Hello
World face=3DArial> lang=3DAR-SA dir=3DRTL =
style=3D'font-size:10.0pt;font-family:Arial'> dir=3DRTL>! size=3D2 face=3DArial> style=3D'font-size:10.0pt;font-family:Arial'> >









------=_NextPart_000_0014_01C3EE11.5A3FEF20-- [/color] -----------------------
[b]and when i send email in persian language this text will be changed.    :( :o

but when i receive that email by outlook express just see Hello World string without any additional things  ???

are there any one whom help me and say to me what shall i do to get correct view message with imap_body  :-*

Thank You  [/b]  8)