Impossible de transmettre des pièces jointe via outlook

Bonjour,

Depuis quelques temps je ne parviens plus à transmettre des pièces jointes aux différents destinataires via outlook.

Merci de votre aide????????

Voici l'un des messages d'erreur :

Informations de diagnostic pour les administrateurs :

Serveur de génération : AS2PR08MB10127.eurprd08.prod.outlook.com

yasmine.******@gmail.com

Remote server returned '550 5.7.520 Message blocked because it contains content identified as spam. AS(4810)'

En-têtes de message d'origine :

Received: from AS8PR08MB7143.eurprd08.prod.outlook.com (2603:10a6:20b:403::18)
 by AS2PR08MB10127.eurprd08.prod.outlook.com (2603:10a6:20b:642::6) with
 Microsoft SMTP Server (version=TLS1_2,
 cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.8901.24; Tue, 15 Jul
 2025 10:00:40 +0000
Received: from AS8PR08MB7143.eurprd08.prod.outlook.com
 ([fe80::376b:367d:81a5:73d7]) by AS8PR08MB7143.eurprd08.prod.outlook.com
 ([fe80::376b:367d:81a5:73d7%7]) with mapi id 15.20.8922.028; Tue, 15 Jul 2025
 10:00:40 +0000
Content-Type: application/ms-tnef; name="winmail.dat"
Content-Transfer-Encoding: binary

From: Yasmine D-I F <Y****@hotmail.com>
To: "yasmine.****@gmail.com" <yasmine.*****@gmail.com>
Subject: kdndvfl
Thread-Topic: kdndvfl
Thread-Index: AQHb9W9GancAFCsaEky5ww8g9b+C6Q==
Date: Tue, 15 Jul 2025 10:00:40 +0000
Message-ID: <***@***>
Accept-Language: fr-FR, en-US
Content-Language: fr-FR
X-MS-Has-Attach: yes
X-MS-TNEF-Correlator: <***@***>
msip_labels:
MIME-Version: 1.0
X-MS-PublicTrafficType: Email
X-MS-TrafficTypeDiagnostic: AS8PR08MB7143:EE_|AS2PR08MB10127:EE_
Return-Path: ***@***
X-MS-Office365-Filtering-Correlation-Id: 63444c0f-cc54-4d39-3018-08ddc38674a5
X-MS-Exchange-SLBlob-MailProps:
  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
X-Microsoft-Antispam:
      BCL:0;ARA:14566002|15030799006|15080799012|461199028|6092099016|40105399003|440099028|3412199025|25025399009|102099032|23095399006;
X-Microsoft-Antispam-Message-Info:
  =?us-ascii?Q?kWM1ucboArjnBJR5DsCKzvQeOUJqQBiVd3Dpk1f9gu0GPr4hJn4AVywEUOE6?=
 =?us-ascii?Q?2eT5mCPo28XGvfrBs3nBysfa1KMZvXK5Jvc/wK2Egi0gjhHn5Hf6ESP2in8v?=
 =?us-ascii?Q?uFA1wGU0haa2Le4DBHI4bLeD2Kzi48DAp6SqXiDapZ4a23NJyXu4Irv1Qm0H?=
 =?us-ascii?Q?+XpvfAaYmQuuf2pd+ru0xkIovqPismjidw99I1QsbjKGruBaJnwrXuaCNitP?=
 =?us-ascii?Q?XEgqEEO/Cf3QLFNIx4bPyLb65/USMMdjUk6qLcFrAv3i2pkLt5Igmtz/41R8?=
 =?us-ascii?Q?aC91tkOxwrJQgLqafenXHIkXrMZWY82dC4giermXNkNv8GWdhOCtcvtXrmFp?=
 =?us-ascii?Q?UdtQbgcJJfHJ873hnCTqLhZJRxCj8zyk4ZOPHjkZlDw3RV0TU2dwOpvo/uoh?=
 =?us-ascii?Q?HI+3HjbAyPNo4oIHgl6TuxmAHNJb3g9hya8ZQr8gKVAyNajbNkjQbQbverk8?=
 =?us-ascii?Q?mOVsV6ilsP2l/eRSShy7UxbX2ZkVLJFf/rVzRP+E12fNWAyIOzMf2hkpzjpb?=
 =?us-ascii?Q?XBSxHZhlXJWlwvGxc5nbWFn5mxPrBYHV/9J3JHlqu3mfAHjWmp6VJAeAamUo?=
 =?us-ascii?Q?yzm7K39/9O1XIvp7e4wi1wHJld6c9gq/6xZtnX77HGHTosfdCfMdZJ7/rU2D?=
 =?us-ascii?Q?mUgR9+0Nv6sea1mCAGgnYAC1kSFptZwgTfEt2WRVmw+eu1Uk4g94WF38p+N9?=
 =?us-ascii?Q?rzQmesx4Ku+Z3TW25dTSYbmgLeD2J58tuC0ynF02X60sGONK2NzT03e6VHt9?=
 =?us-ascii?Q?6MDmDTp4ioOa9ZCEW0D4qocv6dt42UoJuTa3PPs8LzeZVhG8AFtoq5IGmLbe?=
 =?us-ascii?Q?qdg2W25BBDlZQGBM9sxFAeMlS1id/RyZawqZU8uE7CTgmF59ClG5eLjHZiNv?=
 =?us-ascii?Q?s/fdgL5fd23bTnWKhiMvBawTR25EfQ1xtUG2kTnukRWmehQn5JQZ74h4SU7B?=
 =?us-ascii?Q?iEWbXVxAeolsLIOdM1s+Q+xpOJADJG7PkRF15kp6jE/pIKdquwgGBICV+P1+?=
 =?us-ascii?Q?p7U7gUIT7yDIAgmDTD2QLpNsJQbN7sgsCs+oozsQKtBssRa0/IVTM/MTeg6A?=
 =?us-ascii?Q?FMojU3ivN1agcciCYbNQGlNwgjCwqQ=3D=3D?=
X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1
X-MS-Exchange-AntiSpam-MessageData-0:
 =?us-ascii?Q?n4izdPtPAW9eqckY80ZXpHBmO+7qmLS1jsCqV0CB8fLzSt56fcLe5Xk6q316?=
 =?us-ascii?Q?u7o9gguhQIvrvanhzn/kcXhXYSBfggWDdLLQwt3uU3ebdNk813CBcrv4UQzK?=
 =?us-ascii?Q?oEbfayVNljDYeWFmE3HCS5sBQSkyYtrrPwMby1HXaOxQ9s+zFstx3fvs0XB8?=
 =?us-ascii?Q?zhabFIMeqb9gjUoGr4JidG/ZawF3AFJaGhHS9oqCLWP7d6/J2CIH2vBXzgn1?=
 =?us-ascii?Q?aOK+RGRo8X98cZEgeK2H8bPZMVctmof544dAnd4zNBXBSVAZvauQ2nrUDiLP?=
 =?us-ascii?Q?UWy76u9jROubm/6nMBdR9AJOgFEkzZbg4z5RZHwnjo5lIYu4YoLRhZzjUGld?=
 =?us-ascii?Q?6BxhRNsn+ywTAwoLLFnGDN+VH8ZAtbhoKPjV6dun+BkCAT3R6UQW/OxClo3A?=
 =?us-ascii?Q?dGsTqVINYoIxvFjb4HH2KRtsGmOwmXSqCCknyfAe6W9sKbTDM2XIccPD80bQ?=
 =?us-ascii?Q?wR2Z7tqTeuiF4A5wPU0uJhOjyyzMLV54Ub77Pkta6cHYdgyM4OpCO0IZWKAb?=
 =?us-ascii?Q?FEbEzWdM7dOkefVS/iTMGtI4u4PzKugtxmfOFA4K/TcGLcbBAIQxexGI+C13?=
 =?us-ascii?Q?mCKfs4qZPEzzLAz9Ah5MZNGNq5M3MUhbdB9nCv8Kx/BDCY9cE7toBrpHuouK?=
 =?us-ascii?Q?iFNeAtyCpBq4i2vodbsP8uAvCbmNmSm18YA92covIOqb2FNj9WGmZADTBEY3?=
 =?us-ascii?Q?7pmdzo2maOOE/5v98hyX1pxmIe+1r5KWwhSsNxxwQsqXGO7YHRjX4wxm7OKX?=
 =?us-ascii?Q?EjtLJdeCHdht4snxe3wy2O5Ut5sQ4e8gyRe/nQQezNngWrGskKZfk97Nb2rh?=
 =?us-ascii?Q?By6HO1ZeFKft7zXCOzV6cT5SOrwCzfLIilks0F31dRHh0ZcgaKoULPbAj5BQ?=
 =?us-ascii?Q?XBl5r3hxZyY80gDijW5heGj+OPd8A3FF/J/Yv3voneZml6srxy6+tWGujB6M?=
 =?us-ascii?Q?z7QhA4Th1fl1e8mxddnxPfHEUjMgzNMpAdHZmEJMwOzs7pgr9SyLJp8Z8bbN?=
 =?us-ascii?Q?gNbZmUjExRzy1yy+MnKh3dI3XxFsEDOAKWVEBEenqDJqd83QCoK9UgL6cG7A?=
 =?us-ascii?Q?j1ppscMjn0qfFBsd/VwU5NIHybW7hkzRdmZOnmmiAnd3FPDe6AH8jH/J/sC+?=
 =?us-ascii?Q?ol0Hxy8Ni7qOIwjqWdwhJYXsFVt8DySGrR7SxTFQ0ZBDJpWS4wevptrzilvU?=
 =?us-ascii?Q?TZe+i1dH3CbD8Tqzfobc6AstfLa8AjG+tstZHPtz80T/bCbWSjEWbJ4El7+H?=
 =?us-ascii?Q?1It0K3hFdC2Q2BFv5GqPoox+bb3G4zxOe/GTkOG6ZA=3D=3D?=