Just like in the district court, he is sentenced to fines by the court of appeal (Østre landsret).
Madsen is serving a life sentence for the murder on board a submarine in 2017. Life prisoners in Denmark are not allowed to exchange letters freely during the first ten years of their sentence, but Madsen managed to exploit a loophole in the letter control.
He had the right to send letters to public authorities. Therefore, he put the letters to the woman in pre-stamped and addressed envelopes, which he then inserted into letters to an authority, hoping that the staff there would forward the pre-stamped letters. It succeeded initially, but when it was revealed, he was prosecuted.
Corrected: In an earlier version, there was an incorrect statement about how many letters he had sent.