I don't know much about mini login, but have you verified you can connect to public servers by setting your eqhost.txt to port 5998? If you have similar problems connecting to public servers, you might want to check out this post.
If you run a Dual or Quad Core CPU or run Windows Vista:
http://www.eqemulator.net/forums/showthread.php?t=25327
Otherwise, if you are planning to run minilogin, you might want to check the minilogin section of the forums for solutions.