Subject: Mail delivery failed : returning message to sender

From: Mail Delivery System <[email-masked]>
Date: Thu, 08 Jan 2026 07:01:04 +0000

This message was created automatically by mail delivery software.

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

  [email-masked]
    host m2w-in1.ctmail.com [209.67.129.24]
    SMTP error from remote mail server after RCPT TO:<[email-masked]>:
    551 <[email-masked]> is a deactivated mailbox

Subject: Kurs om tappvattensystem - energieffektivisering och legionella
From: Svensk Energiutbildning <[email-masked]>
To: [email-masked]
Date: Thu, 08 Jan 2026 08:01:03 +0100

Legionella och energiförluster i tappvattensystemKurs om hur energiförluster minskas i VVC- och tappvattensystem 
samt hur man förebygger och hanterar utbrott av legionella.