What channels are supported? Colin Palin June 06, 2018 09:26 Follow FeedbackExpress can integrate with Amazon USA, CA, UK, DE, ES, FR and IT to send out requests for product reviews and seller feedback. Related articles Introduction to the 'Channels' screen Subscription plans Can I only send messages for particular products? Can I send out emails to our previous orders that were placed before signing up? Comments 0 comments Please sign in to leave a comment.