Select the contacts tab from the left-nav menu

Select the list you want to send communications too

See this article here to begin creating your own custom lists

Click Options and select Send contacts communications

Create a title for your email campaign and click Next

The title will only be visible by you in the Rocket Referrals' account

Select Emails for the communication type and click Next

Edit the communication to your liking and click Next

A. This section allows you to change the template (if you've made one already), who the communication is coming from, and the subject

B. This section allows you to format the email or insert markdown

C. This section allows you to edit the content of the email

Select the date you would like the emails to begin sending

Check and fix any invalid email addresses and then click Approve and Schedule