To make sure your start is as smooth as possible, please make sure the following plugins/services are in place:
What's the integration?
Contact Form 7
Contact Form 7 is one of the most known contact form plugins for WordPress. It's simple, lightweight, and offers tons of extras which makes it a very powerful and easy-to-use plugin.
Groundhogg is n advanced email marketing and customer relationship management plugin that helps you to improve sales and leads drastically.