Using pidgin on custom Google Apps domain

Here’s how to get on to the Google Talk or Google Chat service on your custom Google Apps domain using Pidgin.

Assuming your username is john.doe and your custom Google Apps domain is example.com.

1. In Pidgin, Accounts -> Manage Accounts -> Add
2. Under the Basics tab
   Protocol: XMPP
   Username: john.doe
   Domain: example.com
   Resource: <blank>
   Password: <your password>
3. Under the Advanced tab
   Require SSL / TLS: Check
   Connect server: talk.google.com
   (Leave everything else to default settings)
4. Click on Add, and connect away!

For a guide complete with screenshots, go here.