Undeliverable: WARM REGARDS

[<postmaster@itsmail.co.za>]

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Your message to accounts@itsmail.co.za couldn't be delivered.
The group accounts only accepts messages from people in its organization or on its allowed senders list, and your email address isn't on the list.
mauve-patches   Office 365      accounts
Sender          Action Required
Sender not allowed

How to Fix It
It appears you aren't in the same organization as the group (or a sub-group) you're sending to or your email address isn't on the group's allowed senders list. Ask the owner of the group to grant you permission to send to it, and then try again. If the group belongs to a different organization than yours, contact the organization's customer service department for assistance. If the group is in your organization and you don't know who the group owner is, you can find it by doing the following in either Outlook on the web or Outlook:

  *   Open your Sent folder and select the original message.
  *   If you're using Outlook on the web, select the group name located on the To or CC line. If you're using Outlook, double-click the group name located on the To or CC line.
  *   In Outlook on the web, from the pop-up dialog box, choose Owner. In Outlook, choose Contact. The owner's name is listed under Owner.

The owner of the group may have intentionally chosen to restrict who can send messages to it, and they may not want to adjust the existing restriction. In this case, you'll have to contact the group members by some other means, such as sending an email message to their individual email addresses or contacting them by phone.

Was this helpful? Send feedback to Microsoft<https://go.microsoft.com/fwlink/?LinkId=615007>.
________________________________

More Info for Email Admins
Status code: 550 5.7.133

This error occurs when the distribution group, security group, or Microsoft 365 group is configured to accept messages only from authenticated senders (senders in the same organization or those added to the group's allowed senders list).

To fix the issue, the recipient's email admin or the group owner must add the sender's email address to the group's allowed senders list or change the group's delivery management setting to accept messages from senders inside and outside of the organization.

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

For more information and steps to fix this error, see Fix email delivery issues for error code 5.7.133 in Office 365<https://go.microsoft.com/fwlink/p/?LinkId=615127>.

Original Message Details
Created Date:   11/29/2021 5:42:57 AM
Sender Address: mauve-patches@sourceware.org
Recipient Address:      accounts@itsmail.co.za
Subject:        WARM REGARDS

Error Details
Reported error: 550 5.7.133 RESOLVER.RST.SenderNotAuthenticatedForGroup; authentication required; Delivery restriction check failed because the sender was not authenticated when sending to this group
DSN generated by:       DB8PR03MB5531.eurprd03.prod.outlook.com

Message Hops
HOP     TIME (UTC)      FROM    TO      WITH    RELAY TIME
1       11/29/2021
5:46:54 AM      [203.125.107.34]        CMR.i-08c3eab1d42364c6c esmtp (envelope-from <mauve-patches@sourceware.org>)    3 min, 57 sec
2       11/29/2021
5:46:55 AM      CMR.i-08c3eab1d42364c6c MRR.i-08f8bfa33197c8af3 esmtps (envelope-from <mauve-patches@sourceware.org>)   1 sec
3       11/29/2021
5:46:55 AM      MRR.i-08f8bfa33197c8af3 OMR.i-0c38a1d5f0e4a37fb esmtps (envelope-from <mauve-patches@sourceware.org>)   *
4       11/29/2021
5:47:48 AM      omr17.orchid.atmailcloud.com    DB5EUR03FT064.mail.protection.outlook.com       Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384)    53 sec
5       11/29/2021
5:47:48 AM      DB5EUR03FT064.eop-EUR03.prod.protection.outlook.com     DB3PR08CA0004.outlook.office365.com     Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384)    *
6       11/29/2021
5:47:48 AM      DB3PR08CA0004.eurprd08.prod.outlook.com DB8PR03MB5531.eurprd03.prod.outlook.com Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384)    *

Original Message Headers

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Authentication-Results: spf=neutral (sender IP is 13.251.245.207)
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        id 1mrZV5-0000Fe-NF; Mon, 29 Nov 2021 13:46:54 +0800
Content-Type: multipart/alternative; boundary="===============0595287727=="
MIME-Version: 1.0
Subject: WARM REGARDS
To: Recipients <mauve-patches@sourceware.org>
From: "BEN JOHNSON" <mauve-patches@sourceware.org>
Date: Mon, 29 Nov 2021 13:42:57 +0800
Reply-To: bjattorneys5@gmail.com
X-Atmail-Id: mauve-patches@sourceware.org
X-atmailcloud-spam-score: 1000
X-atmailcloud-spam-bar: +++++++++++++++++++++++++++++++++++++++++++++++++++
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Message-ID: <b1f81046-94d9-412f-9f84-4f8086e83302@DB5EUR03FT064.eop-EUR03.prod.protection.outlook.com>
Return-Path: mauve-patches@sourceware.org
X-EOPAttributedMessage: 0
X-EOPTenantAttributedMessage: ea7d5ea4-a350-43d4-907d-303a4762409d:0
X-MS-PublicTrafficType: Email
X-MS-Office365-Filtering-Correlation-Id: a35fd805-623e-4ff1-14c0-08d9b2fbc65e
X-MS-TrafficTypeDiagnostic: DB8PR03MB5531:


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From: "BEN JOHNSON" <mauve-patches@sourceware.org>
To: Recipients <mauve-patches@sourceware.org>
Subject: WARM REGARDS
Date: Mon, 29 Nov 2021 13:42:57 +0800
Message-ID: <b1f81046-94d9-412f-9f84-4f8086e83302@DB5EUR03FT064.eop-EUR03.prod.protection.outlook.com>

Good Day,
 An exhaustive and meticulous search was conducted and it is in connection with this search that I'm writing to you today base on your surname which you share with a client that is now deceased. Revert back to me for more details to be given to you. 
 Sincerely,
Barr Ben Johnson