No, the Plugin Marketing&Chat connects just Daylite with email marketing tools like Mailchimp. To use Mailchimp you need to create an account on www.mailchimp.com.
The mailings were processed and send via Mailchimp. The whole contact and address maintanence.
Some contacts are not synchronized with MailChimp. Why?
How do I manage Mailchimp lists?
What happens when someone unsubscribes from a newsletter?