Subject: Undeliverable: Våren är runt hörnet...snart!

From: Postmaster <[email-masked]>
Date: Tue, 14 Nov 2023 10:57:00 +0000

This is the mail system at host mx2.pub.mailpod11-cph3.one.com.

I'm sorry to have to inform you that your message could not
be delivered to one or more recipients. It's attached below.

<[email-masked]> failed: host mailcluster.loopia.se (93.188.3.13)
 said: 554 5.7.1 Spam message rejected (in reply to EOD command)