Ninja Forms Emma GPL Extension Overview:

Take your email marketing further with handcrafted, easy to build signup forms that connect directly into your Emma account!

Emma is an awesome email marketing service that allows you to send stylish newsletters, manage groups of users, and increase your conversions.

The Emma extension for Ninja Forms lets you:

• Add members to your audience (action system).
• Allow users to opt-in (checkbox).
• Add new groups to your audience.
• Requires an account with Emma.