Client: uh, I cant get my mail
Rep: ok, lets verify your mail settings, are you on windows or mac? 
Client: windows
Rep: ok, is that outlook or outlook express? 
Client: outlook
Rep: is that 2003 or 2007? 
Client: 2003
<verify mail settings>
Rep: are you receiving an error? 
Client: yeah, server could not be found
Rep: ok, lets go to start, then run, type cmd 
Client: ok
<do nslookup test>
Client: ok, it says server timed out, could not be found
Rep: hm, ok, in the same box, type telnet mail.[domain].com 110 
Client: ok
Client: it says could not find server
Rep: are you able to pull up a site such as google or anything like that? 
Client: no