Your message to the Microsoft 365 group info@haw-hamburg.de couldn't be delivered.

The group info isn't set up to receive messages from stapf@zapf.in.

stapf@zapf.in Office 365 info Sender Action Required Sender not allowed

How to Fix It Try one or more of the following: If you're a member of the group, you might be registered with an email address other than stapf@zapf.in. Resend your message using the email address where you received a welcome message from the group. Ask the group owner to add stapf@zapf.in as a group member. If you don't know who the group owner is, contact the organization's customer service department for assistance. Ask the group owner to allow people outside their organization to send email to the group.

More Info for Email Admins

Status code: 550 5.7.193 The Microsoft 365 group, info@haw-hamburg.de, is configured to reject messages sent to it from outside its organization -- unless the sender is a guest group member. stapf@zapf.in isn't part of the organization, and it isn't a guest group member. If you're the group's email admin or owner, check if the sender is a member of the group, but is registered under a different email address. Alternatively, the group owner, or email admin, can add stapf@zapf.in as a guest member of the group.

Original Message Details

Created Date: 7/6/2025 10:57:34 AM Sender Address: stapf@zapf.in Recipient Address: info@haw-hamburg.de Subject: Resolution zu Verwaltungsgebühren an Hochschulen

Error Details

Error: 550 5.7.193 UnifiedGroupAgent; Delivery failed because the sender isn't a group member or external senders aren't permitted to send to this group. Message rejected by: AS1P189MB1840.EURP189.PROD.OUTLOOK.COM

Notification Details

Sent by: AS1P189MB1840.EURP189.PROD.OUTLOOK.COM

Original Message Headers

Received: from BE0P281CA0013.DEUP281.PROD.OUTLOOK.COM (2603:10a6:b10:a::23) by
 AS1P189MB1840.EURP189.PROD.OUTLOOK.COM (2603:10a6:20b:4aa::10) with Microsoft
 SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id
 15.20.8901.25; Sun, 6 Jul 2025 10:57:44 +0000
Received: from BE1PEPF0000056E.DEUP281.PROD.OUTLOOK.COM
 (2603:10a6:b10:a:cafe::75) by BE0P281CA0013.outlook.office365.com
 (2603:10a6:b10:a::23) with Microsoft SMTP Server (version=TLS1_3,
 cipher=TLS_AES_256_GCM_SHA384) id 15.20.8922.19 via Frontend Transport; Sun,
 6 Jul 2025 10:57:44 +0000
Authentication-Results: spf=pass (sender IP is 116.202.37.52)
 smtp.mailfrom=zapf.in; dkim=none (message not signed)
 header.d=none;dmarc=bestguesspass action=none header.from=zapf.in;
Received-SPF: Pass (protection.outlook.com: domain of zapf.in designates
 116.202.37.52 as permitted sender) receiver=protection.outlook.com;
 client-ip=116.202.37.52; helo=mail.zapf.in; pr=C
Received: from mail.zapf.in (116.202.37.52) by
 BE1PEPF0000056E.mail.protection.outlook.com (10.167.241.7) with Microsoft
 SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id
 15.20.8901.15 via Frontend Transport; Sun, 6 Jul 2025 10:57:43 +0000
Received: from [172.21.107.253] (uhh-wlan-fo-134-100-17-19.rrz.uni-hamburg.de [134.100.17.19])
	by mail.zapf.in (Postfix) with ESMTPSA id 15D4BE048A;
	Sun,  6 Jul 2025 12:57:35 +0200 (CEST)
Content-Type: multipart/mixed; boundary="------------jH9KudPfNysJuXgELOe0Eppq"
Message-ID: <5ebd250a-caa5-4fe3-9854-723c0b97914f@zapf.in>
Date: Sun, 6 Jul 2025 12:57:34 +0200
MIME-Version: 1.0
User-Agent: Mozilla Thunderbird
From: =?UTF-8?Q?St=C3=A4ndiger_Ausschuss_aller_Physikfachschaften?=
 <stapf@zapf.in>
Subject: =?UTF-8?Q?Resolution_zu_Verwaltungsgeb=C3=BChren_an_Hochschulen?=
To: stapf@zapf.in
Content-Language: en-US, de-DE
Organization: Zusammenkunft aller Physikfachschaften (ZaPF)
Return-Path: stapf@zapf.in
X-EOPAttributedMessage: 0
X-EOPTenantAttributedMessage: 2c6cac8d-ab61-47b3-8209-4df2e46aefbc:0
X-MS-PublicTrafficType: Email
X-MS-TrafficTypeDiagnostic: BE1PEPF0000056E:EE_|AS1P189MB1840:EE_
X-MS-Office365-Filtering-Correlation-Id: 36458ed9-3f41-4267-2035-08ddbc7bef6d