Subject: Mail delivery failed: returning message to sender
From: "Mail Delivery System" <[email-masked]>
To: <[email-masked]>
Date: Fri, 15 Mar 2024 00:44:07 +0330

This message was created automatically by mail delivery software.

A message that you sent could not be delivered to one or more of its
recipients. This is a permanent error. The following address(es) failed:

  [email-masked]
    host eur.olc.protection.outlook.com [104.47.14.33]
    SMTP error from remote mail server after RCPT
TO:<[email-masked]>:
    550 5.5.0 Requested action not taken: mailbox unavailable
(S2017062302).
  [email-masked]
    host smtp-in.sfr.fr [93.17.128.123]
    SMTP error from remote mail server after end of data:
    550 5.7.1 Email 4Twg9T5wqzzMpnkG rejected per SPAM policy