Delivery has failed to these recipients or groups:
Kevin Chandra (kchandra@ust.hk)
Ask the recipient's email admin to add you to the accept list for the recipient.
For more information, see DSN 5.7.129 Errors in Exchange Online and Office 365.
Diagnostic information for administrators:
Generating server: OSZP286MB2030.JPNP286.PROD.OUTLOOK.COM
kchandra@ust.hk
Remote server returned '550 5.7.129 RESOLVER.RST.RestrictedToRecipientsPermission; not authorized to send to recipient because the sender isn't on the recipient's list of senders to accept mail from'
Original message headers:
Received: from PS2PR03CA0011.apcprd03.prod.outlook.com (2603:1096:300:5b::23) by OSZP286MB2030.JPNP286.PROD.OUTLOOK.COM (2603:1096:604:182::9) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.6768.16; Fri, 1 Sep 2023 08:37:19 +0000 Received: from HK3PEPF0000021D.apcprd03.prod.outlook.com (2603:1096:300:5b:cafe::4f) by PS2PR03CA0011.outlook.office365.com (2603:1096:300:5b::23) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.6768.15 via Frontend Transport; Fri, 1 Sep 2023 08:37:19 +0000 Authentication-Results: spf=pass (sender IP is 54.240.8.59) smtp.mailfrom=amazonses.com; dkim=pass (signature was verified) header.d=druid.dk;dmarc=bestguesspass action=none header.from=druid.dk; Received-SPF: Pass (protection.outlook.com: domain of amazonses.com designates 54.240.8.59 as permitted sender) receiver=protection.outlook.com; client-ip=54.240.8.59; helo=a8-59.smtp-out.amazonses.com; pr=C Received: from a8-59.smtp-out.amazonses.com (54.240.8.59) by HK3PEPF0000021D.mail.protection.outlook.com (10.167.8.39) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.6745.17 via Frontend Transport; Fri, 1 Sep 2023 08:37:18 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/simple; s=3qzxzbyhaymt3i6nxxr5zjq5kjllp5wj; d=druid.dk; t=1693557436; h=Date:From:To:Message-ID:Subject:MIME-Version:Content-Type:Content-Transfer-Encoding; bh=SCBhbpwv648KiZM2/HR/Oj/UvQaArnM0GybleW2uEw0=; b=V7qJy1i6H4AqlK1k2yxqbvA5YxfPTyTrUUv/OAGuv8pqo44o46t/ek02MacQeSbT u3b4FF7ABECFUDIh/HziQpyHGRet5WH7WHWCW0gGfVPLiQv+THt6SqKQk/kPDhZLiWi bs6pkLF85V8R6N/SPmrU8xOtuBoF4ihCnk9Akzok= DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/simple; s=224i4yxa5dv7c2xz3womw6peuasteono; d=amazonses.com; t=1693557436; h=Date:From:To:Message-ID:Subject:MIME-Version:Content-Type:Content-Transfer-Encoding:Feedback-ID; bh=SCBhbpwv648KiZM2/HR/Oj/UvQaArnM0GybleW2uEw0=; b=joClJlBbnIMlLsHIdRiTTmonuFIaGNe7wpQ30s4JmqQtEK7g3B8a9FsC58VjLfUR ud7DIQ2TftCiCptZyiDTINuRPXmMUeyuejX1cpQOThOJRMQGkqijTKsJXB3wVcWS63F 7Pt4yR9UHYdQVIq+d5yZ/CB5i6oou/0/8vdFsc5I= Date: Fri, 1 Sep 2023 08:37:16 +0000 From: DRUID Academy 2024 <druid@druid.dk> To: Kevin Chandra <kchandra@ust.hk> Message-ID: <0100018a4fe3b0c4-cf8a2599-590f-48ef-a96c-0ce5c8ae14f4-000000@email.amazonses.com> Subject: =?UTF-8?Q?FIRST=C2=A0CALL=C2=A0FOR=C2=A0PAPERS:=C2=A0DRUID_Academy_20?= =?UTF-8?Q?24,_Odense,_January_17-January_19,_2024?= MIME-Version: 1.0 Content-Type: text/html; charset=utf-8 Content-Transfer-Encoding: quoted-printable Feedback-ID: 1.us-east-1.13mSgHqxbnUUx50/TZSkdjEk6laramo5BkOedBdTQl8=:AmazonSES X-SES-Outgoing: 2023.09.01-54.240.8.59 Return-Path: 0100018a4fe3b0c4-cf8a2599-590f-48ef-a96c-0ce5c8ae14f4-000000@amazonses.com X-EOPAttributedMessage: 0 X-EOPTenantAttributedMessage: c917f3e2-9322-4926-9bb3-daca730413ca:0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: HK3PEPF0000021D:EE_|OSZP286MB2030:EE_ X-MS-Office365-Filtering-Correlation-Id: 3e0ba519-7101-4e72-fade-08dbaac6a76d