I called AT&T and they said it was Microsoft issue. The outbound mail was sent from ******@me.com via the Apple email on Mac to all the emails "IN RED" at end of message below. Tried from iPhone as well. Mail did get through to @frankconcerns and @gmail. NOT .live or .outlook.
========
This is a system-generated message to inform you that your email could not
be delivered to one or more recipients. Details of the email and the error are as follows:
<******@outlook.com>: host
outlook-com.olc.protection.outlook.com[52.101.68.37] said: 550 5.7.1
Unfortunately, messages from [57.103.73.189] weren't sent. Please contact
your Internet service provider since part of their network is on our block
list (S3150). You can also refer your provider to
http://mail.live.com/mail/troubleshooting.aspx#errors. [Name=Protocol
Filter Agent][AGT=PFA][MxId=11BAFAAA92D8E174]
[BN2PEPF000044A8.namprd04.prod.outlook.com 2025-04-19T11:23:27.592Z
08DD7D554BCCD699] (in reply to MAIL FROM command)
<******@outlook.com>: host
outlook-com.olc.protection.outlook.com[52.101.8.35] said: 550 5.7.1
Unfortunately, messages from [57.103.72.13] weren't sent. Please contact
your Internet service provider since part of their network is on our block
list (S3150). You can also refer your provider to
http://mail.live.com/mail/troubleshooting.aspx#errors. [Name=Protocol
Filter Agent][AGT=PFA][MxId=11BAFACD8BBDC18B]
[CH2PEPF0000013B.namprd02.prod.outlook.com 2025-04-19T11:23:28.108Z
08DD7D66C83B84C5] (in reply to MAIL FROM command)
<******@live.com>: host live-com.olc.protection.outlook.com[52.101.68.33]
said: 550 5.7.1 Unfortunately, messages from [57.103.72.138] weren't sent.
Please contact your Internet service provider since part of their network
is on our block list (S3150). You can also refer your provider to
http://mail.live.com/mail/troubleshooting.aspx#errors. [Name=Protocol
Filter Agent][AGT=PFA][MxId=11BAFADAFEC60499]
[DU2PEPF0001E9C4.eurprd03.prod.outlook.com 2025-04-19T11:23:28.248Z
08DD7D6D824E2E1D] (in reply to MAIL FROM command)
Reporting-MTA: dns; outbound.ms.icloud.com
X-Postfix-Queue-ID: E9AC5180032A
X-Postfix-Sender: rfc822; ******@me.com
Arrival-Date: Sat, 19 Apr 2025 11:23:24 +0000 (UTC)
Final-Recipient: rfc822; *********@***********
Original-Recipient: rfc822;******@outlook.com
Action: failed
Status: 5.7.1
Remote-MTA: dns; outlook-com.olc.protection.outlook.com
Diagnostic-Code: smtp; 550 5.7.1 Unfortunately, messages from [57.103.73.189]
weren't sent. Please contact your Internet service provider since part of
their network is on our block list (S3150). You can also refer your
provider to http://mail.live.com/mail/troubleshooting.aspx#errors.
[Name=Protocol Filter Agent][AGT=PFA][MxId=11BAFAAA92D8E174]
[BN2PEPF000044A8.namprd04.prod.outlook.com 2025-04-19T11:23:27.592Z
08DD7D554BCCD699]
Final-Recipient: rfc822; *************@***********
Original-Recipient: rfc822;******@outlook.com
Action: failed
Status: 5.7.1
Remote-MTA: dns; outlook-com.olc.protection.outlook.com
Diagnostic-Code: smtp; 550 5.7.1 Unfortunately, messages from [57.103.72.13]
weren't sent. Please contact your Internet service provider since part of
their network is on our block list (S3150). You can also refer your
provider to http://mail.live.com/mail/troubleshooting.aspx#errors.
[Name=Protocol Filter Agent][AGT=PFA][MxId=11BAFACD8BBDC18B]
[CH2PEPF0000013B.namprd02.prod.outlook.com 2025-04-19T11:23:28.108Z
08DD7D66C83B84C5]
Final-Recipient: rfc822; *********@********
Original-Recipient: rfc822;******@live.com
Action: failed
Status: 5.7.1
Remote-MTA: dns; live-com.olc.protection.outlook.com
Diagnostic-Code: smtp; 550 5.7.1 Unfortunately, messages from [57.103.72.138]
weren't sent. Please contact your Internet service provider since part of
their network is on our block list (S3150). You can also refer your
provider to http://mail.live.com/mail/troubleshooting.aspx#errors.
[Name=Protocol Filter Agent][AGT=PFA][MxId=11BAFADAFEC60499]
[DU2PEPF0001E9C4.eurprd03.prod.outlook.com 2025-04-19T11:23:28.248Z
08DD7D6D824E2E1D]
Return-Path: <******@me.com>
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=me.com; s=1a1hai;
bh=47DEQpj8HBSa+/TImW+5JCeuQeRkm5NMpJWZG3hSuFU=;
h=From:Content-Type:Mime-Version:Date:Subject:Message-Id:To:x-icloud-hme;
b=O1Vy/XY5TTjB4YFFrfmVRB//0ejHSRvE9IrNr+5l9b8ZiLioUmaGK6kNHZ7XNPSOI
zVtFKlyIevdS3y/R+AtkICqjfmw2RP1ao5SUUA1vKB6VT786INYhzArhxWHbdBT+xk
mYZTVwpsoXVO+WMFjJgQn92FRi5GeJCit9Rts7pE2AMN94X0Vd6JJkH54KhbZp3n1C
yTxfiye3xJ88M+IgtPZxYNGDE+BUhNN3gudtQ78gX1kpeQE+qwXuvcEpEiLfy+OFjQ
LL0OJrWtoGZxuLIv/OvFFu30OTR7VV39xH+7xoVN3DzkmEkzxzeu/Xv0jviMCTtdeG
nEs/ad2nQ+F9w==
Received: from smtpclient.apple (ms-asmtp-me-k8s.p00.prod.me.com [17.57.154.37])
by outbound.ms.icloud.com (Postfix) with ESMTPSA id E9AC5180032A;
Sat, 19 Apr 2025 11:23:24 +0000 (UTC)
From: Francis Tyminski <******@me.com>
Content-Type: text/plain
Content-Transfer-Encoding: 7bit
Mime-Version: 1.0 (Mac OS X Mail 16.0 (3826.500.181.1.5))
Date: Sat, 19 Apr 2025 06:23:13 -0500
Subject: me.com Calling all mail
Message-Id: <******@me.com>
To: Frank Tyminski <******@outlook.com>,
Frank Tyminski <******@live.com>,
Frank Tyminski <******@frankconcerns.com>,
Frank Tyminski <******@gmail.com>
X-Mailer: Apple Mail (2.3826.500.181.1.5)
X-Proofpoint-GUID: b4fOLkPPoUhzqowYwDiCmwMBVKNHp13z
X-Proofpoint-ORIG-GUID: b4fOLkPPoUhzqowYwDiCmwMBVKNHp13z
X-Proofpoint-Virus-Version:
X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 malwarescore=0 phishscore=0 spamscore=0
mlxlogscore=723 bulkscore=0 suspectscore=0 clxscore=1011 mlxscore=0
adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1
engine=8.19.0-2308100000 definitions=main-2504190093