on 10-11-2017 8:55 PM
That is correct, no contact information is allowed to be exchanged before an item is purchased, or a transaction completed. This is stop potential off eBay sales, resulting in no fees for eBay and no eBay protectfion for the buyer. eMails were sent to everyone clarifying this, about 6 weeks ago.
The penalty for a first 'offence' is a 7 day restriction from messaging.