https://designmodo.com/onboarding-emails/
The onboarding email newsletter is a part of a welcome email series that plays a crucial role in creating a comfortable environment for the subscribers.
Not every company needs them, but if you are planning to sell goods, offer services, or make a multifunctional website with helpful information, then chances are you will need one or two for creating a good user experience as well as running a successful email marketing strategy.