Mon email n'arrive pas à destination

Bonsoir, j'ai envoye recemment un mail a cette adresse max911@entea.fr mail il n'arrive pas a destination. Comment regler ce probleme ?
Voila le message d'erreur:
--------------------------------------------------------------
Delivery to the following recipient failed permanently:

max911@entea.fr

Technical details of permanent failure:
Google tried to deliver your message, but it was rejected by the server for the recipient domain entea.fr by mx02.enteduc.fr. [85.90.60.207].

The error that the other server returned was:
550 5.1.1 User unknown

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

DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed;
d=gmail.com; s=20120113;
h=mime-version:date:message-id:subject:from:to:content-type;
bh=hasuoT6ZPBz/8pLHTb2jSQT+c2Vf523/5EGC1rQc7zQ=;
b=Vrz9OEV/5LzgVRF5I6dP6d3qUcNjpWpA6tzLTgoj5TcJpqaMz3A6XBTBhHOpm/QjIf
tiGNRtTuHZlha0zUMu5I70nQvyn1hElEx/Z2puQd0nxk1ISFGloLhqTCYUOtFF/xLsIp
jDsRMykP+It6CaGLYnvSYJO62ucHyrWz7xKWS+CulsWe2+G39/a9t27eGRYRdSDv1d6p
LpkDrwZmMuM/FacaJNHudYgXeTsrRPwPh7p0IzwTL7hS1PEgUrDQJWg+MQ2LojCOMp2H
MnrFdcv63fB9ypFcbcSnmVD782w7bkswEpf7hnBBw90/0e7jOOkU22nBiMpiCrddEFIl
uucQ==
MIME-Version: 1.0
X-Received: by 10.202.63.11 with SMTP id m11mr3400147oia.127.1416942873513;
Tue, 25 Nov 2014 11:14:33 -0800 (PST)
Received: by 10.202.72.145 with HTTP; Tue, 25 Nov 2014 11:14:33 -0800 (PST)
Date: Tue, 25 Nov 2014 20:14:33 +0100
Message-ID: <CAP_wOOA86Us-uYtOb3_tb9r1zo6SANiAh4L=-m-A-SSX3vheFw@mail.gmail.com>
Subject:
From: Moumou <moumou@gmail.com>
To: max911@entea.fr
Content-Type: multipart/alternative; boundary=001a113dd4d0a496610508b3b8cd

hello

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C'est un message de la part de mailer-daemon@googlemail.com

C'est tout les details que je peux vous donner
Merci d'avance pour votre aide