Video: How to use the MailChimp Integration John W. Tony & John walk through how to set up and use Insightly's robust integration with Mailchimp. MailChimp is an online email newsletter and marketing platform. If you've upgraded to a paid Insightly plan, you can connect your CRM to your MailChimp account. For information about adding this feature to your account, email our sales team. Was this article helpful?