Emails are the perfect way to promote campaign to existing leads. Using automation workflows you can promote campaigns by sending emails to your lead database. Just be sure to use the mobile accessible link in the emails. 

We have some great articles to help show you can incorporate this for your campaigns.

How to Incorporate Email Marketing and Contests to Maximize Success and Return

8 Top Tips: How to use Email to Promote your Facebook Contest

10 Steps to Email Automation Success

How did we do?