Delivery has failed to these recipients or groups:

Clayton Christensen (cchristensen@hbs.edu)
Your message couldn't be delivered to the recipient because you don't have permission to send to it.

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: DM8PR03MB6215.namprd03.prod.outlook.com

cchristensen@hbs.edu
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 MW4PR03CA0213.namprd03.prod.outlook.com (2603:10b6:303:b9::8)
 by DM8PR03MB6215.namprd03.prod.outlook.com (2603:10b6:8:32::19) with
 Microsoft SMTP Server (version=TLS1_2,
 cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.5834.15; Mon, 21 Nov
 2022 09:13:34 +0000
Received: from MW2NAM04FT006.eop-NAM04.prod.protection.outlook.com
 (2603:10b6:303:b9:cafe::b6) by MW4PR03CA0213.outlook.office365.com
 (2603:10b6:303:b9::8) with Microsoft SMTP Server (version=TLS1_2,
 cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.5834.11 via Frontend
 Transport; Mon, 21 Nov 2022 09:13:34 +0000
Authentication-Results: spf=pass (sender IP is 54.240.8.70)
 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
 54.240.8.70 as permitted sender) receiver=protection.outlook.com;
 client-ip=54.240.8.70; helo=a8-70.smtp-out.amazonses.com; pr=C
Received: from a8-70.smtp-out.amazonses.com (54.240.8.70) by
 MW2NAM04FT006.mail.protection.outlook.com (10.13.31.17) with Microsoft SMTP
 Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id
 15.20.5834.8 via Frontend Transport; Mon, 21 Nov 2022 09:13:33 +0000
DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/simple;
	s=zc5f2us2jbwdrx3rxw5cs2ibbe3pi5ly; d=druid.dk; t=1669022012;
	h=Date:From:To:Message-ID:Subject:MIME-Version:Content-Type:Content-Transfer-Encoding;
	bh=2qfQ2xStJflW23V+fbgoTiTmG/wRI2s+RH/HJnbLWYA=;
	b=M78W+NJTV1E+9IWHm73GhIBaAvG9BGAvV65ZFbbECPzgD4IOswk4P2AS9uM5GY7K
	HjSXjpR/9icq05rONQRFHZUZpYx466T53t3mYTGd39fOar7+9t8ymFAB3tBg+P7NRVl
	rlDt1p5ZG0tWN4GPlduDYAGNoKDKDBmgi4ImsDJU=
DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/simple;
	s=6gbrjpgwjskckoa6a5zn6fwqkn67xbtw; d=amazonses.com; t=1669022012;
	h=Date:From:To:Message-ID:Subject:MIME-Version:Content-Type:Content-Transfer-Encoding:Feedback-ID;
	bh=2qfQ2xStJflW23V+fbgoTiTmG/wRI2s+RH/HJnbLWYA=;
	b=f5yHEisPq7KBPO/5jCioeef0FV1OZ7dNPRWGy4OI440/9gsQMEwTGK4dGKbhNkQa
	4fmB6YRlAJpKx0flK3vVT9LDtcJNJj1Yw4DC1EJLi+EJGyIH+0dHIXR5e6gy72OAsm/
	7jLwaz0wbiMTgZGaJ9kCjFTWnTO+eziDzZnIdLEs=
Date: Mon, 21 Nov 2022 09:13:32 +0000
From: DRUID23 <druid@druid.dk>
To: Clayton Christensen <cchristensen@hbs.edu>
Message-ID: <010001849976d4dc-c87b6c90-48f5-4f8f-8854-bcc3d7429d06-000000@email.amazonses.com>
Subject: DRUID23 Lisbon: First Call for Papers
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: 2022.11.21-54.240.8.70
Return-Path:
	010001849976d4dc-c87b6c90-48f5-4f8f-8854-bcc3d7429d06-000000@amazonses.com
X-EOPAttributedMessage: 0
X-EOPTenantAttributedMessage: 09fd564e-bf42-4321-8f2d-b8e482f8635c:0
X-MS-PublicTrafficType: Email
X-MS-TrafficTypeDiagnostic: MW2NAM04FT006:EE_|DM8PR03MB6215:EE_
X-MS-Office365-Filtering-Correlation-Id: aeda85e7-9408-47a9-8c79-08dacba0aa41