There’s not a single best program for affiliate marketing. It depends on your needs. Different email marketing solutions offer different things to affiliate marketers. As a solid all-rounder, GetResponse is hard to beat. It actively welcomes affiliate marketing and has an impressive set of advanced marketing features. This includes excellent automation options, personalization, and analytics.
For flexible and powerful automation tools at a low price, try Moosend. SendX and EmailOctopus are affiliate-friendly providers that are a good choice if you’re not looking for advanced automation.