The spamvertized domain hotsalza.com was registered by a company in Panama:
Domain Name: HOTSALZA.COM 
Registrant:
    Lightstream Multimedia Ltd.
    Lightstream Multimedia Ltd.        (freagol@web.de)
    Avenida Fedrico Boyd Y Calle 51
    Apdo 702
    Panama City 7
    Republic of Panama,1544
    PA
    Tel. +1.5093510384
Creation Date: 03-Dec-2003  
Expiration Date: 03-Dec-2004
Domain servers in listed order:
    ns1.namedservers.com
    ns2.namedservers.com
    ns3.namedservers.com
    ns4.namedservers.com
Administrative Contact:
    Lightstream Multimedia Ltd.
    Lightstream Multimedia Ltd.        (freagol@web.de)
    Avenida Fedrico Boyd Y Calle 51
    Apdo 702
    Panama City 7
    Republic of Panama,1544
    PA
    Tel. +1.5093510384
Technical Contact:
    Lightstream Multimedia Ltd.
    Lightstream Multimedia Ltd.        (freagol@web.de)
    Avenida Fedrico Boyd Y Calle 51
    Apdo 702
    Panama City 7
    Republic of Panama,1544
    PA
    Tel. +1.5093510384
Billing Contact:
    Lightstream Multimedia Ltd.
    Lightstream Multimedia Ltd.        (freagol@web.de)
    Avenida Fedrico Boyd Y Calle 51
    Apdo 702
    Panama City 7
    Republic of Panama,1544
    PA
    Tel. +1.5093510384
We first received a spam advertising this domain on 2004-05-28 and added it to our published blacklist.
The hotsalza.com website is hosted by Chinatelecom, a notorious "bulletproof" webhoster. See the SPEWS evidence file.