This is a thread for the official IRC plugin that is shipped with Miranda...
Please post all your issues and comments about it here...
The 0.7.x releases of Miranda lacks the 'IRC_servers.ini' file... you can download a bit outdated copy of it from here
If you have questions about how to use the IRC protocol, then you may find answers here:
IRC RFC: http://www.faqs.org/rfcs/rfc1459.html