Pressero integrates with this great email marketing service. Besides having a lot of powerful features, MailChimp will give you a free starter account, so you can try out email marketing without any financial investment. This integration will allow you to push Users in any of your Pressero storefronts into any of the mailing lists you have created in MailChimp. The User information can be easily added to MailChimp. To segment your email marketing campaigns, the Pressero User date fields for account creation, last login, and last order dates can also be pushed into MailChimp. MailChimp CRM.