This plugin works for Gmail. We have several users who are using this for their business. If you have questions or concerns, you may send me an email at gwen@crmexpertsny.com
You have reported this issue and we were exchanging emails. I sent you an email and I was waiting for your response. By the way, can you confirm what version of SuiteCRM you have?
A demo key is needed for you to access the trial version. You have to signup to this site to get credentials. Once login, you will see an affiliate tab where you can request for a demo key.
To cancel the order, goto https://store.suitecrm.com/orders and login with your credentials. Under “My Account”, select Purchases and click on the Purchase History tab. Click on Quit Subscription link on the right side.