Your message to [Hillcroft College request email] couldn't be delivered.
[Hillcroft College request email] needs to know who you are before it will accept your
message
request-264863-8b5aa. . . Office 365 FOI
Sender Action Required
Sender not recognized
How to Fix It
Contact the recipient (by phone or instant messaging, for example) and
tell them to ask their email admin (or group owner) to configure the
recipient address to accept messages from you.
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More Info for Email Admins
This error occurs when the recipient address (mailbox, user, or group) is
configured to reject email from anonymous users.

To fix the issue, the recipient's email admin or the group owner must
either add the sender's address to the allow list for the recipient email
address or turn off the recipient's setting that rejects email from
anonymous senders.

This issue can only be fixed by the recipient's email admin or the group
owner.

For more information, see [2]Error code 5.7.12 in Exchange Online and
Office 365.
Original Message Details
Created Date: 4/21/2015 10:09:35 AM
Sender Address: [FOI #264863 email]
Recipient [Hillcroft College request email]
Address:
Subject: Freedom of Information request - International
establishments
Error Details
Reported error: 550 5.7.12 RESOLVER.RST.SenderNotAuthenticated; Delivery
restriction check failed as sender not authenticated
DSN generated by: AMSPR03MB504.eurprd03.prod.outlook.com

Message Hops
HOP TIME FROM TO WITH RELAY
(UTC) TIME
4/21/2015 local (Exim 4.80) (envelope-from
1 10:09:35 foi titan.ukcod.org.uk <[FOI #264863 email]>) *
AM
4/21/2015
2 10:09:35 titan.ukcod.org.uk AM1FFO11FD031.mail.protection.outlook.com Microsoft SMTP Server (TLS) *
AM
4/21/2015
3 10:09:36 AM1FFO11FD031.protection.gbl HE1PR03CA0016.outlook.office365.com Microsoft SMTP Server (TLS) 1 sec
AM
4/21/2015
4 10:09:37 HE1PR03CA0016.eurprd03.prod.outlook.com AMSPR03MB504.eurprd03.prod.outlook.com Microsoft SMTP Server (TLS) 1 sec
AM

Original Message Headers

Received: from HE1PR03CA0016.eurprd03.prod.outlook.com (25.163.170.154) by
AMSPR03MB504.eurprd03.prod.outlook.com (10.242.107.148) with Microsoft SMTP
Server (TLS) id 15.1.136.25; Tue, 21 Apr 2015 10:09:37 +0000
Received: from AM1FFO11FD031.protection.gbl (2a01:111:f400:7e00::130) by
HE1PR03CA0016.outlook.office365.com (2a01:111:e400:5351::26) with Microsoft
SMTP Server (TLS) id 15.1.130.23 via Frontend Transport; Tue, 21 Apr 2015
10:09:36 +0000
Authentication-Results: spf=pass (sender IP is 46.43.39.82)
smtp.mailfrom=whatdotheyknow.com; hillcroft.ac.uk; dkim=none (message not
signed) header.d=none;hillcroft.ac.uk; dmarc=bestguesspass action=none
header.from=whatdotheyknow.com;
Received-SPF: Pass (protection.outlook.com: domain of whatdotheyknow.com
designates 46.43.39.82 as permitted sender) receiver=protection.outlook.com;
client-ip=46.43.39.82; helo=titan.ukcod.org.uk;
Received: from titan.ukcod.org.uk (46.43.39.82) by
AM1FFO11FD031.mail.protection.outlook.com (10.174.64.220) with Microsoft SMTP
Server (TLS) id 15.1.148.11 via Frontend Transport; Tue, 21 Apr 2015 10:09:35
+0000
Received: from foi by titan.ukcod.org.uk with local (Exim 4.80)
(envelope-from <[FOI #264863 email]>)
id 1YkV7X-0001CQ-B1; Tue, 21 Apr 2015 11:09:35 +0100
Date: Tue, 21 Apr 2015 11:09:35 +0100
From: Catherine Hunt <[FOI #264863 email]>
To: FOI requests at Hillcroft College <[Hillcroft College request email]>
Message-ID: <[email address]>
Subject: Freedom of Information request - International establishments
MIME-Version: 1.0
Content-Type: text/plain; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable
Return-Path: [FOI #264863 email]
X-EOPAttributedMessage: 0
X-Forefront-Antispam-Report: CIP:46.43.39.82;CTRY:GB;IPV:NLI;EFV:NLI;
X-Microsoft-Antispam: UriScan:;BCL:0;PCL:0;RULEID:;SRVR:AMSPR03MB504;

References

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