It is very easy to setup, and the customer support was excellent. I had a few issues with the software itself, but they were quickly resolved by Global Relay's team. I have been able to send mass mailings using Global Relay without any trouble. The ability to create custom templates and edit them before sending is extremely helpful as well. This is extremely useful when we need to send out bulk emails. We can create email templates in Microsoft Word or other programs, then easily transfer them into Global Relay, edit them if necessary, and then send them out. I would highly recommend this product to anyone who needs to send mass emails. It makes managing our marketing efforts much easier than previous products.