Your message to 17alfakafinm.tss@osborne.coop couldn't be delivered.

A custom mail flow rule created by an admin at stclerestrust.onmicrosoft.com has blocked your message.

Please note this recipient don't have permission to receive emails from outside organization

webmaster Office 365 osborne.coop Sender Action Required Blocked by mail flow rule

How to Fix It An email admin at stclerestrust.onmicrosoft.com 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 stclerestrust.onmicrosoft.com 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 stclerestrust.onmicrosoft.com 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 stclerestrust.onmicrosoft.com 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: 7/9/2025 8:13:12 AM Sender Address: webmaster@inkscape.org Recipient Address: 17alfakafinm.tss@osborne.coop Subject: Your registration on inkscape.org

Error Details

Error: 550 5.7.1 TRANSPORT.RULES.RejectMessage; the message was rejected by organization policy Message rejected by: AS8PR08MB8224.eurprd08.prod.outlook.com

Notification Details

Sent by: AS8PR08MB8224.eurprd08.prod.outlook.com

Original Message Headers

Received: from DUZPR01CA0277.eurprd01.prod.exchangelabs.com
 (2603:10a6:10:4b9::21) by AS8PR08MB8224.eurprd08.prod.outlook.com
 (2603:10a6:20b:52b::14) with Microsoft SMTP Server (version=TLS1_2,
 cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.8857.28; Wed, 9 Jul
 2025 08:13:17 +0000
Received: from DB1PEPF000509FB.eurprd03.prod.outlook.com
 (2603:10a6:10:4b9:cafe::bb) by DUZPR01CA0277.outlook.office365.com
 (2603:10a6:10:4b9::21) with Microsoft SMTP Server (version=TLS1_3,
 cipher=TLS_AES_256_GCM_SHA384) id 15.20.8922.22 via Frontend Transport; Wed,
 9 Jul 2025 08:13:42 +0000
Authentication-Results: spf=pass (sender IP is 2605:bc80:3010::138)
 smtp.mailfrom=inkscape.org; dkim=none (message not signed)
 header.d=none;dmarc=bestguesspass action=none header.from=inkscape.org;
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DKIM-Filter: OpenDKIM Filter v2.11.0 smtp1.osuosl.org A92F980ED9
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Content-Type: text/plain; charset="utf-8"
MIME-Version: 1.0
Content-Transfer-Encoding: quoted-printable
Subject: Your registration on inkscape.org
From: webmaster@inkscape.org
To: 17alfakafinm.tss@osborne.coop
Date: Wed, 09 Jul 2025 08:13:12 -0000
Message-ID: <175204879247.2870.2832698135222568298@inkscape1.osuosl.org>
Return-Path: webmaster@inkscape.org
X-EOPAttributedMessage: 0
X-EOPTenantAttributedMessage: 6df7102e-2ca0-4110-a906-65b368bda697:0
X-MS-PublicTrafficType: Email
X-MS-TrafficTypeDiagnostic: DB1PEPF000509FB:EE_|AS8PR08MB8224:EE_
X-MS-Office365-Filtering-Correlation-Id: b8da7b2c-b7e5-456d-039c-08ddbec074ad