Auto-identifying is a risk: if you don't do it right people may steal your passwords, like if you connect during a netsplit and someone is impersonating chan-/nickserv. But if you insist on doing that you could go to Options >>> Connect >>> Options, then click the Perform button. Select the network you want to auto-identify on and add a line there to identify with your nick- and/or channel service.
If you want to do this more safely (yet still not 100% guaranteed safe), make sure you make it check the isp-part of the adress of the nick-/chanserv.
Johan_NL
