Subject: Undeliverable: Kurs om tappvattensystem - energieffektivisering och legionella

From: <[email-masked]>
Date: Thu, 8 Jan 2026 08:01:47 +0000

MAILSRV04.OBOS.NO rejected your message to the following email addresses:

[email-masked]<mailto:[email-masked]>
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MAILSRV04.OBOS.NO gave this error:
SMTP; Hop count exceeded - possible mail loop detected on message id <[email-masked]>

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[email-masked]
MAILSRV04.OBOS.NO
Remote server returned '554 5.4.12 SMTP; Hop count exceeded - possible mail loop detected on message id <[email-masked]>'

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From: Svensk Energiutbildning <[email-masked]>
To: <[email-masked]>
Reply-To: <[email-masked]>
Subject: Kurs om tappvattensystem - energieffektivisering och legionella
Date: Thu, 8 Jan 2026 08:00:34 +0100
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Subject: Kurs om tappvattensystem - energieffektivisering och legionella
From: Svensk Energiutbildning <[email-masked]>
To: <[email-masked]>
Date: Thu, 8 Jan 2026 08:00:34 +0100

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