We moved our website last month to a new server. This change caused some customers running the latest version of Easy Access (6.6) to return an HTTP 406 socket error.
While we currently have no ETA on the official fix, to keep the software from receiving and displaying this error, turn off all Email Notification in Easy Access’s Setup Options (File Menu > Setup Options > Notification). This error, most likely, is being caused by the website and will be corrected without the need to update the software.
I will update this notification in the comments section below once resolved.