Nokia :: E75 Sending E-mail With Messaging From Yahoo Account.

I tried to send an e-mail and gives me this:
Subject: Delivery Status Notification (Failure)
From:Mail Delivery Subsystem <noreply@noreply>
To: "dilixxx.xxxai at yahoo.com" <dilixxx.xxxai at yahoo.com>

This is an automatically generated Delivery Status Notification
500:Read error: null

----- Original message -----

Date: Mon, 22 Feb 2010 14:57:27 +0000
From: "Dilimot Mihai" <dilixxx.xxhai at yahoo.com>
Subject: Test
To: Dilixxx.xxhai at orangemail.ro
Reply-To: dilixxx.xxhai at yahoo.com
MIME-Version: 1.0
X-Priority: 3
Content-Type: text/plain;
charset="utf-8"
Content-Transfer-Encoding: quoted-printable
X-NIMS-Source: netac30.vie.hosting.nokia.com
X-NIMS-User: dilixxx.xxhai831
X-NIMS-UGUID: 0xa1fbe420e5dc2dbb1698335ab79f4914

Test
----- End of message -----