Nejde odeslat prispevek

[Zdeněk Kobylka]

Při pokusu o odeslání prispevku do HW konference se mi vraci zprava s nasledujicim textem, kde je chyba ?

The original message was received at Sun, 8 Jan 2006 11:06:18 +0100
from [80.188.220.142]

   ----- The following addresses had permanent fatal errors -----
<hw-list@list.hw.cz>
    (reason: 550 Service unavailable; Client host [80.188.220.130] blocked using list.dsbl.org; http://dsbl.org/listing?80.188.220.130)

   ----- Transcript of session follows -----
... while talking to list.hw.cz.:
>>> DATA
<<< 550 Service unavailable; Client host [80.188.220.130] blocked using list.dsbl.org; http://dsbl.org/listing?80.188.220.130
550 5.1.1 <hw-list@list.hw.cz>... User unknown
<<< 554 Error: no valid recipients