[APACHE/PHP/SENDMAIL]Received: from localhost

Bonjour,

J'ai un soucis avec ma configuration Apache/PHP Sendmail

Tous les mails envoyés par php comporte l'en tête :

Received: from localhost (webarff [127.0.0.1])
by smtp.webarff.fr (8.13.1/8.13.1) with ESMTP id l1CAHk9v005309
for <test77@yahoo.fr>; Mon, 12 Feb 2007 11:17:46 +0100

Et sur hotmail :

The original message was received at Mon, 12 Feb 2007 11:13:06 +0100
from webarff [127.0.0.1]

----- The following addresses had permanent fatal errors -----
<test@hotmail.fr>
(reason: 550 Your e-mail was rejected for policy reasons on this gateway. Reasons for rejection may be relate...se note: if you are an end-user please contact your E-mail/Internet Service Provider for assistance.)

----- Transcript of session follows -----
... while talking to mx3.hotmail.com.:
>>> MAIL From:<admin@webarff.com> SIZE=1460 BODY=8BITMIME
<<< 550 Your e-mail was rejected for policy reasons on this gateway. Reasons for rejection may be related to content such as obscene language, graphics, or spam-like characteristics (or) other reputation problems. For sender troubleshooting information, please go to https://sendersupport.olc.protection.outlook.com/pm/ Please note: if you are an end-user please contact your E-mail/Internet Service Provider for assistance.
554 5.0.0 Service unavailable

Comment faire pour avoir des en-tête correct.

Comme:
Received: from sMtp.neuf.fr (sp604002mt.neufgp.fr [84.96.92.61])


l'en tête Received: from localhost (webarff [127.0.0.1]) me pose d'enorme problème.

J'ai modifier le php.ini avec sendmail -fuser@webarff.com

Mais rien n'y fait.

le fichier hosts est :

# Do not remove the following line, or various programs
# that require network functionality will fail.

127.0.0.1 webarff webarff.com localhost.localdomain

88.x.x.65 webarff.com
88.x.x.65 webarff.fr

Merci de votre aide.