Opt-in Samurai comes pre-built with the 19 most popular email services that includes MailChimp, Aweber, Constant Contact, Mad Mimi, GetResponse, VerticalResponse, FreshMail, Vision, Customer.io, SendinBlue, SendGrid, dotMailer, Campaign Monitor, ActiveCampaign, iContact, InfusionSoft, SugarCRM, HubSpot and SalesForce.

We have extensive “How to Guide” on all these services written and you can find them under Knowledge-base section of Opt-in Samurai. You can also access each of the guide from the left side panel of this documentation.