Mail delivery failed: returning message to sender

From: Mailer-Daemon@web131.webhotelli.fi
Domain: IP info web131.webhotelli.fi
MX-server: IP info mail.ticketnew.com
Size: 412 Bytes
Create: 2024-09-09
Update: 2024-09-09
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: aleksi.lehtola@lannenlaatukatto.fi host web153.webhotelli.fi [84.239.154.115] SMTP error from remote mail server after RCPT TO:: 550 No Such User Here"