Email clients and yahoo

[Talksina]

with yahoo I have freepops, that works as local pop server
www.freepops.org you should find the English page there
There is the package for linux also
and that, you can configure it with fetchmail, with localhost as parameter 
pop3 server, 2000 as port, username user at yahoo.com (to call the yahoo.lua 
plugin) and password your password
... only if I understood what you meant!