Mail delivery failed: returning message to sender

From: Mailer-Daemon@vsa-dunuge.cyon.net
Domain: IP info vsa-dunuge.cyon.net
MX-server: IP info mail.ticketnew.com
Size: 487 Bytes
Create: 2024-11-25
Update: 2024-11-25
Score: 0
Safe: Yes

This message was created automatically by mail delivery software. A message that you sent could not be delivered to one or more of its recipients. This is a permanent error. The following address(es) failed: petra_hofmann@gmx.ch (ultimately generated from petra.hofmann@derchor-steinamrhein.ch) host mail-gateway-agency03.cyon.net [194.126.200.70] SMTP error from remote mail server after end of data: 550 This message was classified as SPAM and may not be delivered