[https://products.office.com/en-us/CMSImages/Office365Logo_Orange.png?version...] Your message to 823993@mcpsmd.org couldn't be delivered. A custom mail flow rule created by an admin at mcpsmd.onmicrosoft.com has blocked your message. This address cannot receive email from outside its organization. webmaster Office 365 mcpsmd.org Sender Action Required Blocked by mail flow rule
How to Fix It An email admin at mcpsmd.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 mcpsmd.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.
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More Info for Email Admins Status code: 550 5.7.1_ETR
This error occurs because an email admin at mcpsmd.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 mcpsmd.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: 6/18/2025 6:18:39 PM Sender Address: webmaster@inkscape.org Recipient Address: 823993@mcpsmd.org Subject: [EXTERNAL] 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: CO6PR05MB7713.namprd05.prod.outlook.com
Notification Details Sent by: CO6PR05MB7713.namprd05.prod.outlook.com
Message Hops HOP TIME (UTC) FROM TO WITH RELAY TIME 1 6/18/2025 6:18:39 PM inkscape1.osuosl.org inkscape1.osuosl.org ESMTP * 2 6/18/2025 6:18:39 PM inkscape1.osuosl.org smtp2.osuosl.org ESMTP * 3 6/18/2025 6:18:39 PM smtp2.osuosl.org localhost ESMTP * 4 6/18/2025 6:18:39 PM localhost smtp2.osuosl.org ESMTP * 5 6/18/2025 6:18:40 PM smtp2.osuosl.org BN2PEPF0000449E.mail.protection.outlook.com Microsoft SMTP Server (version=TLS1_3, cipher=TLS_AES_256_GCM_SHA384) 1 sec 6 6/18/2025 6:18:41 PM BN2PEPF0000449E.namprd02.prod.outlook.com BLAPR05CA0036.outlook.office365.com Microsoft SMTP Server (version=TLS1_3, cipher=TLS_AES_256_GCM_SHA384) 1 sec 7 6/18/2025 6:18:42 PM BLAPR05CA0036.namprd05.prod.outlook.com CO6PR05MB7713.namprd05.prod.outlook.com Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) 1 sec
Original Message Headers
Received: from BLAPR05CA0036.namprd05.prod.outlook.com (2603:10b6:208:335::17) by CO6PR05MB7713.namprd05.prod.outlook.com (2603:10b6:5:34a::10) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.8835.28; Wed, 18 Jun 2025 18:18:42 +0000 Received: from BN2PEPF0000449E.namprd02.prod.outlook.com (2603:10b6:208:335:cafe::92) by BLAPR05CA0036.outlook.office365.com (2603:10b6:208:335::17) with Microsoft SMTP Server (version=TLS1_3, cipher=TLS_AES_256_GCM_SHA384) id 15.20.8835.23 via Frontend Transport; Wed, 18 Jun 2025 18:18:41 +0000 Authentication-Results: spf=pass (sender IP is 140.211.166.133) smtp.mailfrom=inkscape.org; dkim=none (message not signed) header.d=none;dmarc=bestguesspass action=none header.from=inkscape.org; Received-SPF: Pass (protection.outlook.com: domain of inkscape.org designates 140.211.166.133 as permitted sender) receiver=protection.outlook.com; client-ip=140.211.166.133; helo=smtp2.osuosl.org; pr=C Received: from smtp2.osuosl.org (140.211.166.133) by BN2PEPF0000449E.mail.protection.outlook.com (10.167.243.149) with Microsoft SMTP Server (version=TLS1_3, cipher=TLS_AES_256_GCM_SHA384) id 15.20.8857.21 via Frontend Transport; Wed, 18 Jun 2025 18:18:40 +0000 Received: from localhost (localhost [127.0.0.1]) by smtp2.osuosl.org (Postfix) with ESMTP id E050E400F6 for 823993@mcpsmd.org; Wed, 18 Jun 2025 18:18:39 +0000 (UTC) X-Virus-Scanned: amavis at osuosl.org Received: from smtp2.osuosl.org ([127.0.0.1]) by localhost (smtp2.osuosl.org [127.0.0.1]) (amavis, port 10024) with ESMTP id FKZgcO24fZZ8 for 823993@mcpsmd.org; Wed, 18 Jun 2025 18:18:39 +0000 (UTC) X-Comment: SPF check N/A for local connections - client-ip=140.211.9.79; helo=inkscape1.osuosl.org; envelope-from=webmaster@inkscape.org; receiver=<UNKNOWN> DKIM-Filter: OpenDKIM Filter v2.11.0 smtp2.osuosl.org 45E734048D Received: from inkscape1.osuosl.org (inkscape1.osuosl.org [140.211.9.79]) by smtp2.osuosl.org (Postfix) with ESMTP id 45E734048D for 823993@mcpsmd.org; Wed, 18 Jun 2025 18:18:39 +0000 (UTC) Received: from inkscape1.osuosl.org (localhost [IPv6:::1]) by inkscape1.osuosl.org (Postfix) with ESMTP id 1EF0BFA5A for 823993@mcpsmd.org; Wed, 18 Jun 2025 18:18:39 +0000 (UTC) Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Subject: [EXTERNAL] Your registration on inkscape.org From: webmaster@inkscape.org To: 823993@mcpsmd.org Date: Wed, 18 Jun 2025 18:18:39 -0000 Message-ID: 175027071910.21491.9455336922909434363@inkscape1.osuosl.org Return-Path: webmaster@inkscape.org X-EOPAttributedMessage: 0 X-EOPTenantAttributedMessage: ddf755e9-bcd6-4a5e-a472-7c378a78c6c7:0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: BN2PEPF0000449E:EE_|CO6PR05MB7713:EE_ X-MS-Office365-Filtering-Correlation-Id: f9a1e4db-de9b-4c28-df7d-08ddae948d96 X-MS-Exchange-AtpMessageProperties: SA|SL