Mail Empfang funktioniert nicht

[der-judas]

Also System Root Server 32bit Debian Etch Ispcp omega rc4
Mails werden zurück gesendet mit dem Grund das der User nicht gefunden werden konnte. Log auszug:

Mar 28 03:15:07 87 postfix/smtpd[14135]: connect from mail.gmx.net[213.165.64.20]
Mar 28 03:15:17 87 postfix/policyd-weight[7163]: decided action=PREPEND X-policyd-weight: using cached result; rate: -8.5
Mar 28 03:15:17 87 postgrey[2566]: cleaning up old logs...
Mar 28 03:15:17 87 postfix/smtpd[14135]: 9B63E4024A: client=mail.gmx.net[213.165.64.20]
Mar 28 03:15:17 87 postfix/cleanup[14141]: 9B63E4024A: message-id=<2D3C3A7E3F034DB6989603B00B75935B@judas>
Mar 28 03:15:17 87 postfix/qmgr[12506]: 9B63E4024A: from=<voltherthorn@gmx.net>, size=1723, nrcpt=1 (queue active)
Mar 28 03:15:17 87 postfix/virtual[14142]: warning: valid_hostname: numeric hostname: 87.98.216.36
Mar 28 03:15:17 87 postfix/virtual[14142]: fatal: unable to use my own hostname
Mar 28 03:15:17 87 postfix/smtpd[14135]: disconnect from mail.gmx.net[213.165.64.20]
Mar 28 03:15:18 87 postfix/qmgr[12506]: warning: premature end-of-input on private/virtual socket while reading input attribute name
Mar 28 03:15:18 87 postfix/qmgr[12506]: warning: private/virtual socket: malformed response
Mar 28 03:15:18 87 postfix/qmgr[12506]: warning: transport virtual failure -- see a previous warning/fatal/panic logfile record for the problem description
Mar 28 03:15:18 87 postfix/master[12503]: warning: process /usr/lib/postfix/virtual pid 14142 exit status 1
Mar 28 03:15:18 87 postfix/master[12503]: warning: /usr/lib/postfix/virtual: bad command startup -- throttling
Mar 28 03:15:18 87 postfix/qmgr[12506]: 9B63E4024A: to=<info@catalisk.de>, relay=none, delay=12, delays=11/1/0/0, dsn=4.3.0, status=deferred (unknown mail transport error)
Mar 28 03:15:36 87 postfix/smtpd[14135]: connect from mail.gmx.net[213.165.64.20]
Mar 28 03:15:37 87 postfix/policyd-weight[7163]: decided action=PREPEND X-policyd-weight: using cached result; rate: -8.5
Mar 28 03:15:37 87 postfix/smtpd[14135]: 5319F4024B: client=mail.gmx.net[213.165.64.20]
Mar 28 03:15:37 87 postfix/cleanup[14141]: 5319F4024B: message-id=<CBF0DC6DAF524E818983A81F368857C4@judas>
Mar 28 03:15:37 87 postfix/qmgr[12506]: 5319F4024B: from=<voltherthorn@gmx.net>, size=1736, nrcpt=1 (queue active)
Mar 28 03:15:37 87 postfix/qmgr[12506]: 5319F4024B: to=<info@catalisk.de>, relay=none, delay=1.1, delays=1.1/0.01/0/0, dsn=4.3.0, status=deferred (unknown mail transport error)
Mar 28 03:15:37 87 postfix/smtpd[14135]: disconnect from mail.gmx.net[213.165.64.20]

danke für jede hilfe schonmal im voraus bye judas