Bonjour à tous,

J'essaye désespérément de configurer mon nouveau serveur de mail. Il s'agit d'un serveur sous CentOS avec qmail et courier-imap.

J'ai ajouté quelques domaines sur mon serveur et les boites mails qui vont avec. Si j'envoie un mail depuis webmail.mondomaine.com, les messages arrivent sans problème.
En revanche, si je passe par Thunderbird ou un logiciel de ce genre, le message arrive marqué ****SPAM****.

J'ai regardé les en-têtes mais j'avoue ne pas y comprendre grand chose.

Voici l'en-tête du message envoyé depuis webmail :
X-Spam-Checker-Version: SpamAssassin 3.2.5 (2008-06-10) on
s15411439.onlinehome-server.info
X-Spam-Level: *****
X-Spam-Status: No, score=5.7 required=7.0 tests=AWL,FH_DATE_PAST_20XX,
UNPARSEABLE_RELAY autolearn=no version=3.2.5
Received: (qmail 3553 invoked by uid 10003); 29 Oct 2010 09:19:51 +0200
Received: from by s15411439.onlinehome-server.info (envelope-from <test@lafrange.com>, uid 48) with qmail-scanner-2.08st
(clamdscan: 0.96.2/11541. spamassassin: 3.2.5. perlscan: 2.08st.
Clear:RC:1(127.0.0.1):.
Processed in 0.086107 secs); 29 Oct 2010 07:19:51 -0000
Received: from AMarseille-156-1-37-251.w90-27.abo.wanadoo.fr
(AMarseille-156-1-37-251.w90-27.abo.wanadoo.fr [90.27.52.251]) by
webmail.creabdesign.com (Horde MIME library) with HTTP; Fri, 29 Oct 2010
09:19:50 +0200
Message-ID: <20101029091950.c4s5fb3ggwsowwgs@webmail.creabdesign.com>
Date: Fri, 29 Oct 2010 09:19:50 +0200
From: test@lafrange.com
To: test@lafrange.com
Subject: test2
MIME-Version: 1.0
Content-Type: text/plain;
charset=ISO-8859-2;
DelSp="Yes";
format="flowed"
Content-Disposition: inline
Content-Transfer-Encoding: 7bit
User-Agent: Internet Messaging Program (IMP) H3 (4.1.6)
Et celle d'un envoyé depuis thunderbird :
X-Spam-Flag: YES
X-Spam-Checker-Version: SpamAssassin 3.2.5 (2008-06-10) on
s15411439.onlinehome-server.info
X-Spam-Level: *******
X-Spam-Status: Yes, score=7.3 required=7.0 tests=AWL,DNS_FROM_OPENWHOIS,
FH_DATE_PAST_20XX,RCVD_IN_PBL,RCVD_IN_SORBS_DUL,RDNS_DYNAMIC autolearn=no
version=3.2.5
X-Spam-Report:
* 0.5 RCVD_IN_PBL RBL: Received via a relay in Spamhaus PBL
* [90.27.52.251 listed in zen.spamhaus.org]
* 2.4 DNS_FROM_OPENWHOIS RBL: Envelope sender listed in bl.open-whois.org.
* 1.6 RCVD_IN_SORBS_DUL RBL: SORBS: sent directly from dynamic IP address
* [90.27.52.251 listed in dnsbl.sorbs.net]
* 3.4 FH_DATE_PAST_20XX The date is grossly in the future.
* 0.1 RDNS_DYNAMIC Delivered to trusted network by host with
* dynamic-looking rDNS
* -0.8 AWL AWL: From: address is in the auto white-list
Received: (qmail 4778 invoked by uid 10003); 29 Oct 2010 10:45:10 +0200
Received-SPF: none (no valid SPF record)
Received: from amarseille-156-1-37-251.w90-27.abo.wanadoo.fr by s15411439.onlinehome-server.info (envelope-from <test@lafrange.com>, uid 2020) with qmail-scanner-2.08st
(clamdscan: 0.96.2/11541. spamassassin: 3.2.5. perlscan: 2.08st.
Clear:RC:0(90.27.52.251):SA:1(8.0/7.0):.
Processed in 1.942704 secs); 29 Oct 2010 08:45:04 -0000
Received: from amarseille-156-1-37-251.w90-27.abo.wanadoo.fr (HELO ?192.168.1.249?) (90.27.52.251)
by s15411439.onlinehome-server.info with (AES256-SHA encrypted) SMTP; 29 Oct 2010 10:45:01 +0200
Message-ID: <4CCA890A.7040008@lafrange.com>
Date: Fri, 29 Oct 2010 10:42:50 +0200
From: NiKo <test@lafrange.com>
User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; fr; rv:1.9.2.12) Gecko/20101027 Thunderbird/3.1.6
MIME-Version: 1.0
To: test@lafrange.com
Subject: ****SPAM**** MEDIUM * test4
Content-Type: text/plain; charset=ISO-8859-1; format=flowed
Content-Transfer-Encoding: 7bit
X-Spam-Prev-Subject: ****SPAM**** MEDIUM * test4
90.27.52.251 correspond à l'IP de ma livebox et non à celle de mon serveur

Pensez-vous que cela puisse venir d'une configuration que je n'aurais pas faite?

Merci d'avance