Message Undeliverable Bug

[kechinn]

I have used Fire Git-bot for years, up until last month, but all of a sudden am now getting message undelivered back when I attempt to forward an email to my Fundersclub fire email address (wsdot-eso@fire.fundersclub.com).
UndeliverableMessageViaFireToGithub.pdf

[LinqLover]

Same issue

Diagnoseinformationen für Administratoren:

Generierender Server: AS2P250MB1014.EURP250.PROD.OUTLOOK.COM
Empfangender Server: AS2P250MB1014.EURP250.PROD.OUTLOOK.COM
wannkommtrewe-calendar@fire.fundersclub.com
8/23/2025 1:23:09 PM - Server at AS2P250MB1014.EURP250.PROD.OUTLOOK.COM returned '550 5.4.316 Message expired, connection refused(Socket error code 10061)'
8/23/2025 1:12:14 PM - Server at fire.fundersclub.com (13.248.132.87) returned '450 4.4.316 Connection refused [Message=Socket error code 10061] [LastAttemptedServerName=fire.fundersclub.com] [LastAttemptedIP=13.248.132.87:25] [SmtpSecurity=-2;-2] [DB8EUR05FT066.eop-eur05.prod.protection.outlook.com 2025-08-23T13:13:09.045Z 08DDE19030BB9C29](Socket error code 10061)'

Ursprüngliche Nachrichtenköpfe:

Received: from AS8P250MB0071.EURP250.PROD.OUTLOOK.COM (2603:10a6:20b:37e::20)
 by AS2P250MB1014.EURP250.PROD.OUTLOOK.COM (2603:10a6:20b:596::12) with
 Microsoft SMTP Server (version=TLS1_2,
 cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.9052.13; Sat, 23 Aug
 2025 10:51:13 +0000
Received: from AS4P250MB0587.EURP250.PROD.OUTLOOK.COM (2603:10a6:20b:4bd::15)
 by AS8P250MB0071.EURP250.PROD.OUTLOOK.COM (2603:10a6:20b:37e::20) with
 Microsoft SMTP Server (version=TLS1_2,
 cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.9052.19; Sat, 23 Aug
 2025 00:21:26 +0000
ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none;
 b=T8/ZJEX/e0UqlNT5ogR8vcdY+2tdOjg313AfTCvH2Qbi2aD3n1yYu9zGZ7XPPtTiuTKVXn1hRoBo9pCQ5IsT3WGVrQtFVU5NA3+QDSz1qlCnNw+phNBl06izDCThEQFL7XPxTYPp4JAYoIz1wWdctbPF9u7Fz1tcFyx7gCKADe0VEWjOpzD6vOJbwOyZ8oh/bPevdsndKB6z2JWVz+vfrHJyuR8r5nkpADaPA+NM+uexi2zpy/iRcmf9o5UYGomcYTKwl/cygwdLPNM0r58IzLae2sHqNNmLjt46i9qljVt4po+E5CbBvcWsemk7SlwbufgDQP9f5yfSuknfkbytSw==
ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com;
 s=arcselector10001;
 h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1;
 bh=pspjnKPPFOOju7GXwn+wX918LG46ZDVW5BWuCZtDhyQ=;
 b=wHD4GAvmobYyk1aP1CnXPubISKnxeLjOEow7JIF+qePeV2PHg3+Gjz1oaqPIlsjcCKGkNkdHeqHMsBwigOO0ziqvawyJlb4JUfz4QiLdCGOAbbF+qX4difDWTlC+ErHmmYprXrRk3yWQ3/1/JgVtLDIv1E/SqiwdgbK8wRLBDj4MDqh8p4k88xmPb08DSyTGiubIgIUpT3WlkbGNHc03ynfKPkIJy2uDGSnyepiTnLuCiJLvtbTSTxtynxbQcyBIXRsMoJX6nLxOzkwtgKhwhtLWTrQWMNOYg+8qeoLle4LwZ0gn4p8HU3KEclbwUE/bv5DLOdV0SWNDrHOB8CGAPA==
ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=none; dmarc=none;
 dkim=none; arc=none
Received: from PR3P250MB0116.EURP250.PROD.OUTLOOK.COM (2603:10a6:102:173::7)
 by AS4P250MB0587.EURP250.PROD.OUTLOOK.COM (2603:10a6:20b:4bd::15) with
 Microsoft SMTP Server (version=TLS1_2,
 cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.9052.17; Fri, 22 Aug
 2025 13:14:15 +0000
Received: from PR3P250MB0116.EURP250.PROD.OUTLOOK.COM
 ([fe80::651:c9e9:8a14:f40]) by PR3P250MB0116.EURP250.PROD.OUTLOOK.COM
 ([fe80::651:c9e9:8a14:f40%7]) with mapi id 15.20.9052.014; Fri, 22 Aug 2025
 13:14:15 +0000
From: <redacted>
To: "wannkommtrewe-calendar@fire.fundersclub.com"
     <wannkommtrewe-calendar@fire.fundersclub.com>
Subject: Test issue
Thread-Topic: Test issue
Thread-Index: AQHcE2aiQO4VRn6btke+7MOaX0hPZQ==
Date: Fri, 22 Aug 2025 13:14:15 +0000
Message-ID: <PR3P250MB0116D5437C0580ECDC97AB2FE33DA@PR3P250MB0116.EURP250.PROD.OUTLOOK.COM>
Accept-Language: de-DE, en-US
Content-Language: de-DE
X-MS-Has-Attach:
X-MS-TNEF-Correlator:
x-ms-reactions: allow
x-ms-exchange-messagesentrepresentingtype: 1
x-ms-publictraffictype: Email
x-ms-traffictypediagnostic:
  PR3P250MB0116:EE_|AS4P250MB0587:EE_|AS8P250MB0071:EE_|AS2P250MB1014:EE_
x-ms-office365-filtering-correlation-id: 9fd48358-892a-400c-2cc5-08dde17dcb57
x-microsoft-antispam: BCL:0;ARA:14566002|31061999003|461199028|14030799003|19110799012|8062599012|15080799012|3412199025|51005399003|40105399003|440099028|39105399003|102099032;
x-microsoft-antispam-message-info: =?us-ascii?Q?nA1QDe1mCiAKJAZ1rHOBCzsmpdLTGvn0joe4RxIhbu1WhTqP9EWBixl5B361?=
 =?us-ascii?Q?iyUQC3n/mUCC9Ht6w/F0C4PbfCCYqI/4Dtb08gs/gnNj3Ufi3prglVADLgcQ?=
 =?us-ascii?Q?wfMOZcqTogMbLhAyRqqaNsPo/BtD/lwsZFOXq91niBKgDoQ9fFp5sRmz2WJm?=
 =?us-ascii?Q?dzwplctoM4E/ejL+D7WHtRGBSj7emFJdr2HYZPVFJUA/HsTWYkeb7IE9CVrb?=
 =?us-ascii?Q?9QnRrOsDJbgPl5zPwOQDb2rkYh7OrfS4k9yU6sgsur9n7FD9ocBHOBVoPij0?=
 =?us-ascii?Q?d8VVEgoI31Yfz/N+9xT0EbxDFquGPgF3DAI4HrlNRZS2fNCZyLt+SQaDOBDl?=
 =?us-ascii?Q?B62ezMwvOq894b2FQfqsPVaBEJTajnM383OcQT++zSzy9FY1xjb9bzHYrSNM?=
 =?us-ascii?Q?fUnr1gPP1PM3e/TB3jw3C0sTp1wZ+8EMv7bD9BwjpSA+mcC1gR2/JkkciuUQ?=
 =?us-ascii?Q?ZZuxxwObn8NA/VsjPJvJTjJpCH2ofEPMsMe8R+uEnbjcvxXYc8YZpKLQVNL+?=
 =?us-ascii?Q?UzrbxsEUIYhkHKAL+fB6Xge09MLNYttldYAmT8YN+fI5ISP6JsS9vcExtWvR?=
 =?us-ascii?Q?7L+DBsR6zwOT8HVA8VPXV1buR1gzj/39F9Qhlx0gqTJAl6xXmOX/SyS8y3g+?=
 =?us-ascii?Q?u0dFXU6kqWTofKJiaEseC33rfxWmlxh5fHZduiipZ/uSb7f/FCwcm9FdIKHY?=
 =?us-ascii?Q?e6RnEFeuP1tXT+T8o4WTXLJ5Yx1dAH3dY3J60g1ZRgOrAQKtzfblSKQ2Rnpz?=
 =?us-ascii?Q?irNICc7alo/2PElc4TKbCulmyb80doOzGawk6aixZBhFsASm3ZqUdrIZzRls?=
 =?us-ascii?Q?KoLksSNfV0+S9jCyccXndssV5+vZk3FKREo7pjKrozLQGpeIm0EWtzwf01Gs?=
 =?us-ascii?Q?NQBEofWXNZaOxtvgp44ZqyRa6Lk5V9DIUA1kHywIioMR9bgWB6k5aTy4IONe?=
 =?us-ascii?Q?uLZUvuYws/KFrpsYCSux7g=3D=3D?=
x-ms-exchange-antispam-messagedata-chunkcount: 1
x-ms-exchange-antispam-messagedata-0: =?us-ascii?Q?ZnpzbjDCSxvC57v6zN2HYRsLN6V7cjppxZvumm+TGu9X1rqQ3oQI6kpdbqqC?=
 =?us-ascii?Q?9SjHY5tOlcR9ug7P1NjQN1+Bh0lp2lEld76RJ0ROszR80Ge0F6TDijlGY7gl?=
 =?us-ascii?Q?bVB7Bgd84T7oHqYnHJQ9HNfrWsHFEBldxwQdMQmaAL9ZEBVIE0o2BIHvSjGr?=
 =?us-ascii?Q?Wwg7x7wjvSsAYTey90Lu+6XCESNgVitb6ByVyi6tuqxjsVkDuGFWeX5oOLwc?=
 =?us-ascii?Q?3j3lGLkXic1r7C9jE2y6Ks+aEPWybAvLHX1aXZYqSjehv1kwjbHpyrCxttU+?=
 =?us-ascii?Q?6sVB29Wxa52PS7uGiOGj0bHGINzXF8ObJYA6ypC6uyWsiBo8X52Fgpd8UGDo?=
 =?us-ascii?Q?q6J8cBoGIDZ3emc4m6PqN88SbWCo3VT2Bq87DsoLVCSkuVwgqXQ8ErFH4zko?=
 =?us-ascii?Q?Q97fX6BGaN+aEixwebcBqY8u4MKa2Dx6JmEDj/jH+qYSqshakc1tNB+gqcq2?=
 =?us-ascii?Q?jh7ofJjtTXcZtsiBUohNSlmkNWKXCZYRQ8M72Rg/sxD0tyfw85MyP2coCcJ+?=
 =?us-ascii?Q?M8RLW0O6rd0dknu+0apzH7JnAk3cRj5aU+15J5kHb735kXCc43uDDIzqBt2z?=
 =?us-ascii?Q?QQjphr1TP67ZjzH7XCQA9qgo5SsFgAE37/Bo1+VUYQQbuYVhhGJ330/jP3+Z?=
 =?us-ascii?Q?3xyGLf3njEIBvexpXhkWb6d5/9bGgva8w4rhozLCXNqm2CrylRN1AdjIi3Jz?=
 =?us-ascii?Q?TOMLPoaZ5tVzzj3hE9jRVRQ7KkPz6zapJFMJQTaBNURJCu80XJs101+0w48L?=
 =?us-ascii?Q?LiAW1vHhkNi2Q9tfPUqFt7zxY6o5lCwpVUkN6ysAqPJSqXGiNBcVR/K8Wwkw?=
 =?us-ascii?Q?oQRCYhqYokIDfhdzmV+mqZvZWwB5l99KYJuDalGv4Hspv3bfD/ACH88P6Zyv?=
 =?us-ascii?Q?QrtwX5xhGR3QssMFj3avkedn1wVeMnEekF1AxnwyQ3NJVPROkDZ33YsGsnTC?=
 =?us-ascii?Q?trYcA7h6r/GALCeg8b4k/bcra665cK2aZQ1z3ZOBYzOlTL7Gd980ICOXEsH9?=
 =?us-ascii?Q?9O7VTBIc+huNkmJJxXd03fclSewg8LoTv62GYpzfL/rKIfzdIqKk7HAzPmcd?=
 =?us-ascii?Q?UQ0LK/i9O1laZfDnMtuQy6MxGJ0rAsXV1OHtUXeOD/E8yUl6QWtF4/oBcSa8?=
 =?us-ascii?Q?DC9Bcrl5c5U6foy8ic4rN6+lA3S9F77LNikVwEPxFurdSQclvGhGNQcByTeY?=
 =?us-ascii?Q?W4/cSZ3ZgV+ttm0JzoIWYznYsD7NS2ssREmWTdhKt4zIh8QC1JsIfIE3arNw?=
 =?us-ascii?Q?2wMzaOHcVgHIcehUC4If6K3n2eit/y8z0etTf7N76w=3D=3D?=
Content-Type: multipart/alternative;
 boundary="_000_PR3P250MB0116D5437C0580ECDC97AB2FE33DAPR3P250MB0116EURP_"
MIME-Version: 1.0
X-MS-Exchange-CrossTenant-AuthAs: Internal
X-MS-Exchange-CrossTenant-AuthSource: PR3P250MB0116.EURP250.PROD.OUTLOOK.COM
X-MS-Exchange-CrossTenant-RMS-PersistedConsumerOrg: 00000000-0000-0000-0000-000000000000
X-MS-Exchange-CrossTenant-Network-Message-Id: 9fd48358-892a-400c-2cc5-08dde17dcb57
X-MS-Exchange-CrossTenant-originalarrivaltime: 22 Aug 2025 13:14:15.4986
 (UTC)
X-MS-Exchange-CrossTenant-fromentityheader: Hosted
X-MS-Exchange-CrossTenant-id: 84df9e7f-e9f6-40af-b435-aaaaaaaaaaaa
X-MS-Exchange-CrossTenant-rms-persistedconsumerorg: 00000000-0000-0000-0000-000000000000
X-MS-Exchange-Transport-CrossTenantHeadersStamped: AS4P250MB0587
Return-Path: <redacted>
X-OriginatorOrg: sct-15-20-8534-15-msonline-outlook-5f066.templateTenant