Subject: Mail delivery failed : returning message to sender

From: Mail Delivery System <[email-masked]>
Date: Tue, 13 Jan 2026 07:03:08 +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: Lär dig hantera dagsljuskraven i Boverkets nya byggregler
From: Svensk Energiutbildning <[email-masked]>
To: [email-masked]
Date: Tue, 13 Jan 2026 08:03:06 +0100

Dagsljuskraven i Boverkets nya byggreglerKurs om hur man hanterar de nya kraven på dagsljus i byggnader och 
vad de innebär för tillsyn, byggnadsutformning och användbarhet.