[squid-users] Sites denied

hi all,

i have found the following problem. Some sites that i send a POST with a username and a password retrieves me the answer bellow, such email free sites . What is the problem ?

regards,

ERROR
The requested URL could not be retrieved

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While trying to retrieve the URL: http://acesso.bol.com.br/login.htm

The following error was encountered:

Connection Failed
The system returned:

    (113) Não há rota para o host
The remote host or network may be down. Please try the request again.

Your cache administrator is samuel@prce.mpf.gov.br.

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Generated Wed, 08 May 2002 21:42:59 GMT by proxy.prce.mpf.gov.br (Squid/2.4.STABLE6)
Received on Wed May 08 2002 - 15:47:28 MDT