[ERLEDIGT] Kann keine Emails empfangen

[Novexx]

Beim Senden an eine Mail Adresse die ich angelgt habe kommt folgender Fehler:
Was habe ich falsch gemacht ???

Quote:This is the mail system at host c1mailgw43.amadis.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.

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 mail system

<support@meinedomain.de>: host fwd.nsm.ctmail.com[69.64.159.2] said: 550 5.7.1
Invalid recipient: 'support@meinedomain.de' (in reply to RCPT TO command)

Final-Recipient: rfc822; support@meinedomain.de
Original-Recipient: rfc822;support@meinedomain.de
Action: failed
Status: 5.7.1
Remote-MTA: dns; fwd.nsm.ctmail.com
Diagnostic-Code: smtp; 550 5.7.1 Invalid recipient: 'support@meinedomain.de'