Sending messages to AIM users

I have an xmpp client which I am connecting to a openfire server with the kraken gateway to aim. I can see presence of AIM users and receive messages but cannot send - I know I need to have the domain name for aol correct and do not know how to address this - I have tryed buddyname@aol.com and a number variations but cannot seem to get this to work - does anyone have any ideas

Thanks

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