Your message to torrisi@unibo.it couldn't be delivered.

A custom mail flow rule created by an admin at live.unibo.it has blocked your message.

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01000178215598bd-579. . . Office 365 unibo.it Sender Action Required Blocked by mail flow rule

How to Fix It An email admin at live.unibo.it has created a custom mail flow rule that blocks messages that meet certain conditions, and it appears that your message has met one or more of those conditions. Check the text above for a custom message from the email admin that may help explain why your message was blocked and how you might be able to fix it. For example, removing prohibited words from the message or sending the message from a different email account may be sufficient to deliver your message. If you've tried and you're still not able to fix the problem, consider contacting the email admin at live.unibo.it to discuss what to do. While they're unlikely to remove or relax the rule, if you have a legitimate need to deliver your message they may offer guidance for how to do so.

More Info for Email Admins

Status code: 550 5.7.1_ETR This error occurs because an email admin at live.unibo.it has created a custom mail flow rule that has blocked the sender's message. In some cases, the sender can change the message so it no longer violates the rule. However, depending on the rule's conditions, it's possible that the only way to deliver the message is to change the rule itself, and only an email admin at live.unibo.it can do that. Although it's possible the rule is unintentionally flawed or it's stricter than the admin intended, it may be working exactly as they want it to.

Original Message Details

Created Date: 3/11/2021 12:49:21 PM Sender Address: 01000178215598bd-5796b624-16c4-4295-800f-b44c071c6141-000000@amazonses.com Recipient Address: torrisi@unibo.it Subject: DRUID21, Copenhagen, October 18-20 2021: FIRST CALL FOR PAPERS

Error Details

Reported error: 550 5.7.1 TRANSPORT.RULES.RejectMessage; the message was rejected by organization policy DSN generated by: HE1PR01MB3737.eurprd01.prod.exchangelabs.com

Original Message Headers

Received: from MR1P264CA0009.FRAP264.PROD.OUTLOOK.COM (2603:10a6:501:2e::14)
 by HE1PR01MB3737.eurprd01.prod.exchangelabs.com (2603:10a6:7:95::22) with
 Microsoft SMTP Server (version=TLS1_2,
 cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3912.28; Thu, 11 Mar
 2021 12:49:22 +0000
Received: from VE1EUR03FT050.eop-EUR03.prod.protection.outlook.com
 (2603:10a6:501:2e:cafe::5f) by MR1P264CA0009.outlook.office365.com
 (2603:10a6:501:2e::14) with Microsoft SMTP Server (version=TLS1_2,
 cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3912.17 via Frontend
 Transport; Thu, 11 Mar 2021 12:49:22 +0000
Authentication-Results: spf=pass (sender IP is 54.240.8.221)
 smtp.mailfrom=amazonses.com; unibo.it; dkim=pass (signature was verified)
 header.d=druid.dk;unibo.it; dmarc=bestguesspass action=none
 header.from=druid.dk;
Received-SPF: Pass (protection.outlook.com: domain of amazonses.com designates
 54.240.8.221 as permitted sender) receiver=protection.outlook.com;
 client-ip=54.240.8.221; helo=a8-221.smtp-out.amazonses.com;
Received: from a8-221.smtp-out.amazonses.com (54.240.8.221) by
 VE1EUR03FT050.mail.protection.outlook.com (10.152.19.209) with Microsoft SMTP
 Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384) id
 15.20.3933.31 via Frontend Transport; Thu, 11 Mar 2021 12:49:21 +0000
DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/simple;
	s=3qzxzbyhaymt3i6nxxr5zjq5kjllp5wj; d=druid.dk; t=1615466961;
	h=Date:From:To:Message-ID:Subject:MIME-Version:Content-Type:Content-Transfer-Encoding;
	bh=asGE96w2LBtQWbDlqUhr0MeN9taObolVQNP4Y92sqXc=;
	b=O30otY19dFXGcc9YlTN2bJz9PhR8Xw93DEouug7v0MC9O26QtS1OhSFiVfMj0qpv
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DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/simple;
	s=224i4yxa5dv7c2xz3womw6peuasteono; d=amazonses.com; t=1615466961;
	h=Date:From:To:Message-ID:Subject:MIME-Version:Content-Type:Content-Transfer-Encoding:Feedback-ID;
	bh=asGE96w2LBtQWbDlqUhr0MeN9taObolVQNP4Y92sqXc=;
	b=De8yByYTa/rYluG5QNOL2cd4hpOABY0KxmTJDZ8wgvsXaKk0iP1DbfeQHb1+iOd6
	r1aPXuuhmnJqwU+TYhYtB/ediVo9Jb9fEg05mA1HqSDkcGxFvw5hR1Ukw2Jq0DqlG6d
	XwbcUI5dAVmetsPCAz0Wtvz08EAwaiiCKAzlaEiY=
Date: Thu, 11 Mar 2021 12:49:21 +0000
From: DRUID21 <druid@druid.dk>
To: Salvatore Torrisi <torrisi@unibo.it>
Message-ID: <01000178215598bd-5796b624-16c4-4295-800f-b44c071c6141-000000@email.amazonses.com>
Subject: DRUID21, Copenhagen,  October 18-20 2021: FIRST CALL FOR PAPERS
MIME-Version: 1.0
Content-Type: text/html; charset=utf-8
Content-Transfer-Encoding: quoted-printable
X-SES-Outgoing: 2021.03.11-54.240.8.221
Feedback-ID: 1.us-east-1.13mSgHqxbnUUx50/TZSkdjEk6laramo5BkOedBdTQl8=:AmazonSES
Return-Path:
	01000178215598bd-5796b624-16c4-4295-800f-b44c071c6141-000000@amazonses.com
X-EOPAttributedMessage: 0
X-EOPTenantAttributedMessage: e99647dc-1b08-454a-bf8c-699181b389ab:0
X-MS-PublicTrafficType: Email
X-MS-Office365-Filtering-Correlation-Id: ee3c330a-8f3c-4d39-1d6f-08d8e48c17ff
X-MS-TrafficTypeDiagnostic: HE1PR01MB3737: