For IA 3.8 and newer versions, where the interface is using web services, the first entry is as follows:
Server name/address: s7sps1api.scene7.com for NA / s7sps3api.scene7.com for EMEA
Choose Edit > Preferences > SPS tab.
Server name/address**: s7sps1api.scene7.com
Email (IPS user ID): <<firstname.lastname@example.org>>
Password (IPS): ******
**Do not include "http://" in the server name and address.