This is my error-message in the Mail Queue Manager:
8B59B660B9 - 633 Thu Jul 14 06:17:59 admin@*****.de
(host 127.0.0.1[127.0.0.1] said: 451 4.5.0 Error in processing, id=21476-02, quar+notif FAILED: temporarily unable to notify admin:
450 4.1.1 from MTA(smtp:[127.0.0.1]:10025): 450 4.1.1 : Recipient address rejected: User unknown in virtual mailbox table at /usr/sbin/amavisd line 15808.
(in reply to end of DATA command))
pawel.gralla@*****-*****.de