This is the Postfix program at host mail02.ops-netman.net.
I'm sorry to have to inform you that your message could not be
be delivered to one or more recipients. It's attached below.
For further assistance, please send mail to <postmaster>
If you do so, please include this problem report. You can
delete your own text from the attached returned message.
The Postfix program
mail.ops-netman.net[2001:408:1009:1:2d0:a8ff:fe00:4bc4] said: 550
<wxnqvfz@...>: Recipient address rejected: User unknown in
virtual alias table (in reply to RCPT TO command)