ConvertKit is a relatively new email marketing software which is really easy to use and so it is a perfect option for new bloggers. ConvertKit has a visual automation builder that allow users to display all their workflows into the context. Besides email automatization, it is bundled with opt-in forms and landing pages. Opt-in forms can be easily added to WordPress sites through their ConvertKit WordPress plugin.
ConvertKit still pays out a high 30% monthly recurring commission.