I get the following message:
User Agent: Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 5.1; Trident/4.0; GTB7.3; .NET CLR 1.1.4322; InfoPath.2; .NET CLR 2.0.50727; .NET CLR 3.0.4506.2152; .NET CLR 3.5.30729; .NET4.0C; AskTbFF/18.104.22.16807)
Timestamp: Thu, 21 Jun 2012 20:54:54 UTC
Message: 'ZmInvite' is undefined
The mail message shows the menu at top: accept, tentative, decline, propose new time, and there's a constant running circle. If there's any message along with it, I cannot read it. I cannot accept or decline, etc.