If you want to use email templates for your campaigns or funnel this is the tutorial to read
If you manage a different kind of email templates you can group them into different folders
If you want to check your email templates stats, open rate, click rate, unsubscribes this is the right tutorial
Here is how to double-check your email outbound for Outlook and Hotmail
If you want to add Customerly SPF record on top of what you are already using follow this tutorial
If you want to deliver a message to all your users or a segment of them, you can use the campaigns feature and deliver via live chat
If you want to know how to unsubscribe or block your leads or users, here are the steps you should take.