> 
> I just found out that I can't send email through kmail anymore.  It says 
> that the smtp host couldn't be found.  I am an earthlink (formerly 

> using mail.mindspring.com for smtp.  That worked until recently (the error). 
>   So, I checked the help pages on the web, and they want smtp.earthlink.net. 
> also tried smtp.mindspring.com, mail.earthlink.net.

Can you ping any of them?  I just tried to ping smtp.earthlink.net
and it worked fine (giving me an address of 207.217.120.207).

What does your /etc/resolv.conf say?  Can you ping any other
hosts?  (Basically, it sounds to me like your DNS setup is messed
up somehow)

rc