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#207698
Bonjour j'ai reçu récemment un spam sur mon site internet je me suis donc intéresser à ça provenance quelle a été mon étonnement en voyant que le Message ID de l'en-tête du mail contenait mon nom de domaine, cela veut donc dire si je ne me trompe pas que le message a été envoyer ou générer par mon serveur ? Si oui pensez vous qu'il s'agisse d'un problème de sécurité lié à mon site (je précise qu'il n'ai pas encore lancé donc difficilement trouvable) ? Ou un problème lié à la configuration de ma boîte mail ?

Je vous met ci-dessous l'en tête du mail en ayant au préalable anonymiser les données (du moins je l'espère) :


Received: from outlook.com (XXXX)

by outlook.com with HTTPS; Mon, 8 Nov 2021

20:23:36 +0000

Received: from outlook.com

(XXXX) by outlook.com

(XXXX) with Microsoft SMTP Server (version=TLS1_2,

cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id XXXX; Mon, 8 Nov

2021 20:23:35 +0000

Received: from outlook.com

(XXXX) by outlook.office365.com

(XXXX) with Microsoft SMTP Server (version=TLS1_2,

cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id XXXX via Frontend

Transport; Mon, 8 Nov 2021 20:23:35 +0000

Authentication-Results: spf=pass (sender IP is XXXX)

smtp.mailfrom=mondomaine.com; dkim=pass (signature was verified)

header.d=senderdomain.com;dmarc=bestguesspass action=none

header.from=mondomaine.com;compauth=pass reason=109

Received-SPF: Pass (protection.outlook.com: domain of mondomaine.com designates

XXXX as permitted sender) receiver=protection.outlook.com;

client-ip=XXXX; helo=mondomaine.com;

Received: from monhébergeur (XXXX) by

.outlook.com (XXXX) with Microsoft

SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id

XXXX via Frontend Transport; Mon, 8 Nov 2021 20:23:35 +0000

X-IncomingTopHeaderMarker:

OriginalChecksum:A8B6C1FBBF5422D447B447AB645F5A965BBEBBC562312B95FAD24DF2D710FC9D;UpperCasedChecksum:186699F8DBAAB578019D321D4227C14824A1E47953C88E2391B01446926C2217;SizeAsReceived:4330;Count:31

Received: from mx1.ovh.net (unknown [XXXX])

by monhébergeur (Postfix) with SMTP id 8503A20ADA

for <monadressemail>; Mon, 8 Nov 2021 20:23:35 +0000 (UTC)

Received: from localhost (HELO queueout) (XXXX)

by localhost with SMTP; 8 Nov 2021 22:23:35 +0200

Delivered-To: mondomaine.com @mondomaine.com

Received: from localhost (HELO queue) (XXXX)

by localhost with SMTP; 8 Nov 2021 22:23:35 +0200

Received: from unknown (HELO monhébergeur) (XXXX)

by monhébergeur with AES256-GCM-SHA384 encrypted SMTP; 8 Nov 2021 22:23:35 +0200

Received: from monhébergeur (unknown [XXXX])

by monhébergeur (Postfix) with ESMTP id 4Hp2cl0NVQzKGP8k4

for <@mondomaine.com>; Mon, 8 Nov 2021 20:23:35 +0000 (UTC)

Received: from monhébergeur (unknown [XXXX])

by monhébergeur (Postfix) with ESMTP id 4Hp2ck5hjcz26WMb1

for <@mondomaine.com>; Mon, 8 Nov 2021 20:23:34 +0000 (UTC)

Received-SPF: Softfail (mailfrom) identity=mailfrom; client-ip=XXXX; helo=senderdomain.com; envelope-from=@mondomaine.com; receiver=@mondomaine.com

Authentication-Results-Original: monhébergeur; dkim=pass (2048-bit key;

unprotected) header.d=senderdomain.com header.i=@senderdomain.com header.b="E+1uYx/8";

dkim-atps=neutral

Received: from senderdomain.com (senderdomain.com [XXXX])

by monhébergeur (Postfix) with ESMTPS id 4Hp2ck4T96z1Mkmr0

for <@mondomaine.com>; Mon, 8 Nov 2021 20:23:34 +0000 (UTC)

DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; s=mail1; d=senderdomain.com;

h=Content-Type:MIME-Version:Date:Subject:From:Reply-To:Message-ID:To;

bh=ngwMFYZmWYFj/XnzL4ZbEeb/r77+UTnr5gNdmFTrAfQ=;

b=E+1uYx/8gB3QBoWNXNeOYiM60lEG0Gt1s2Vc1MN/fdHl52clfq3bqBxlgM6wLcJTrNJSXxY5ly7j

km95aVr1t57KcWWqQ98woVUaCSvcqkI7OTQmHJ4Z1WQHR/Klc+FtWUEm4wyJj2OabAT2W80GSqex

WHsDh+utxs0Hgk53K6TAe/avpj49ahwlW3YVAzoAkqojPSSQIJEvRkl/GyKfMM6NztVieymY1nA+

MiE/eFbymx7c1BBlSlIk4vr+hr9dpSsAKJ42WeQZuhwk9D1jVJ3ImjXcGLPy089kjVwoXbX7oOpb

FDjZdtCPwxwKAUnC+Qse3dtszac0D8AbFU4uHA==

Content-Type: multipart/alternative; boundary="------------000006050208050402060604"

Date: Mon, 08 Nov 2021 21:23:35 +0100

Subject: =?utf-8?B?RGVtYW5kZSBkZSB2w6lyaWZpY2F0aW9uIGQnaWRlbnRpdMOpLg==?=

From: <@mondomaine.com>

Reply-To: <@mondomaine.com>

X-FBL: 1_98_1261_0_636F6E7461637440652D6265746865726D2E6672

Message-ID: <NDC3MJM5.MJI5NJUYNW.1261403110821232021351123320234@mondomaine.com>

To: "mondomaine.com mondomaine.com" <@mondomaine.com>

X-Remote: XXXX (senderdomain.com)

X-Tracer-Id: 9747478444177673163

X-VR-SPAMSTATE: OK

X-VR-SPAMSCORE: 0

X-VR-SPAMCAUSE: gggruggvucftvghtrhhoucdtuddrgedvuddruddvgddufeegucetufdoteggodetrfdotffvucfrrhhofhhilhgvmecuqfggjfdpvefjgfevmfevgfenuceurghilhhouhhtmecuhedttdenucenucfjughrpegtggffuffhrhfkvfesrgdtregrtddtjeenucfhrhhomheptdhvhhgtlhhouhguuceotghonhhtrggtthesvgdqsggvthhhvghrmhdrfhhrqeenucggtffrrghtthgvrhhnpeeifeejtdekteefleetleffgeeguddtkeduuddvgefhveehfeefgfevhfetgfehffenucfkphepledurddufeegrdduledtrdduhedvnecuvehluhhsthgvrhfuihiivgeptdenucfrrghrrghmpehmohguvgepshhmthhppdhhvghlohepihhniedtrdhmrghilhdrohhvhhdrnhgvthdpihhnvghtpeeluddrudefgedrudeltddrudehvddpmhgrihhlfhhrohhmpegtohhnthgrtghtsegvqdgsvghthhgvrhhmrdhfrhdprhgtphhtthhopegtohhnthgrtghtsegvqdgsvghthhgvrhhmrdhfrh

X-Spam-Status: OK

X-Spam-Reason: vr: OK; dkim: disabled; spf: disabled

X-Message-Type: OK

X-VR-SPAMSTATE: OK

X-VR-SPAMSCORE: 0

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X-IncomingHeaderCount: 31

Return-Path: @mondomaine.com

X-MS-Exchange-Organization-ExpirationStartTime: 08 Nov 2021 20:23:35.6990

(UTC)

X-MS-Exchange-Organization-ExpirationStartTimeReason: OriginalSubmit

X-MS-Exchange-Organization-ExpirationInterval: 1:00:00:00.0000000

X-MS-Exchange-Organization-ExpirationIntervalReason: OriginalSubmit

X-MS-Exchange-Organization-Network-Message-Id:

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X-EOPAttributedMessage: 0

X-EOPTenantAttributedMessage: 84df9e7f-e9f6-40af-b435-aaaaaaaaaaaa:0

X-MS-Exchange-Organization-MessageDirectionality: Incoming

X-MS-PublicTrafficType: Email

X-MS-Exchange-Organization-AuthSource:

.outlook.com

X-MS-Exchange-Organization-AuthAs: Anonymous

X-MS-UserLastLogonTime: 11/8/2021 8:15:10 PM



X-MS-TrafficTypeDiagnostic: DB8PR09MB3657:

X-MS-Exchange-EOPDirect: true

X-Sender-IP: XXXX

X-SID-PRA: @mondomaine.com

X-SID-Result: PASS

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X-Microsoft-Antispam: BCL:0;

X-MS-Exchange-CrossTenant-OriginalArrivalTime: 08 Nov 2021 20:23:35.6860

(UTC)

X-MS-Exchange-CrossTenant-Network-Message-Id: 6d642815-bf1d-4e9e-6962-08d9a2f5a44f

X-MS-Exchange-CrossTenant-Id: 84df9e7f-e9f6-40af-b435-aaaaaaaaaaaa

X-MS-Exchange-CrossTenant-AuthSource: .outlook.com

X-MS-Exchange-CrossTenant-AuthAs: Anonymous

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X-Microsoft-Antispam-Mailbox-Delivery:

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X-Message-Info:

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