Connections has several options for sending emails. Our simpleist option is to use our email system domain. Using this option, you emails will come from YourShopifyDomain@mycustomerconnections.com or another domain we own. There is no further setup needed from the merchant for this option but it is not recommended for serious marketing campaigns. Connections also works exclusively with several business email platform. You may enter your business email address and password, and Connections will send emails on your behalf. Finally, Connections will send from an email domain and account that you own. Please see the question below.