Hello, this is the mail server on tools-expt.com. I am sending you this message to inform you on the delivery status of a message you previously sent. Immediately below you will find a list of the affected recipients; also attached is a Delivery Status Notification (DSN) report in standard format, as well as the headers of the original message.
<[email protected]> delivery failed; will not continue trying
Reporting-MTA: dns;tools-expt.com X-PowerMTA-VirtualMTA: web1 Received-From-MTA: dns;veit-schiele.de (107.155.45.131) Arrival-Date: Mon, 20 Jul 2020 17:50:59 +0800 Final-Recipient: rfc822;[email protected] Action: failed Status: 5.7.1 (delivery not authorized) Remote-MTA: dns;mail.python.org (188.166.95.178) Diagnostic-Code: smtp;554 5.7.1 <[email protected]>: Sender address rejected: This address never sends e-mail Contact your postmaster/admin for assistance. Please provide the following information in your problem report: time (Jul 20 07:50:20) and client (106.75.27.28). X-PowerMTA-BounceCategory: invalid-sender
From: python.org <[email protected]> To: [email protected] Subject: WARNING: Update your e-mailbox to a newer version now!!! Date: 20 Jul 2020 17:51:25 +0800 Message-ID: <[email protected]> MIME-Version: 1.0 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
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