Simple (A and PTR record) lookups are performed using the locally 
configured DNS servers. MX lookups, however, are not performed using 
locally configured DNS servers *unless* you use the SmartDns option in 
server.tab.
At 09:08 12/17/2003, Leonardo Cabral wrote:

> > Of course, it would probably be a good idea to verify that by using
> > dig
> > from the console of the mail server - I'd try:
> >
> > dig +recursive +trace @a.root-servers.net uol.com.br -t mx
> >
> > and see what that returns. If it resolves all the way down, then it's
> > definitely good. If not, that could be where the problem is.
>Well, by looking at the telnet test he made, using the dns name of the
>server instead of the address, it�s easy to see that he can resolve dns
>names.
>     Regards,
>
>Leonardo
>
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