The 6 best email affiliate programs in 2025

HubSpot is a leading inbound marketing, sales, and customer service platform designed to help businesses grow and streamline their operations. With a suite of powerful tools for email marketing, content management, social media marketing, web analytics, and search engine optimization, HubSpot provides a comprehensive solution for businesses looking to attract, engage, and delight customers. The platform also offers CRM capabilities that enable companies to manage and nurture customer relationships effectively, ensuring a seamless and integrated experience across all touchpoints.

HubSpot is ideal for small to medium-sized businesses as well as large enterprises seeking to enhance their marketing and sales efforts with a scalable, user-friendly solution. It caters to marketers, sales professionals, customer service teams, and business owners who aim to optimize their workflows, generate more leads, and increase customer retention. By promoting HubSpot, publishers can connect their audience with a trusted and versatile platform that empowers businesses to achieve their growth objectives.

AWeber is an email marketing and automation platform designed for small businesses, entrepreneurs, and content creators who want to build and engage their audience through email campaigns. It provides tools for creating professional newsletters, automating email sequences, and managing subscriber lists with ease. AWeber offers a range of customizable templates, a drag-and-drop editor, and powerful analytics to track campaign performance. With features like email automation, segmentation, and A/B testing, AWeber helps users optimize their email marketing efforts to drive engagement and sales. It's ideal for anyone looking to grow their online presence and build lasting relationships with their audience through effective email marketing strategies.

Beehiiv is a powerful newsletter platform designed for creators, publishers, and businesses looking to grow and monetize their email audience. It offers a comprehensive suite of tools to build, manage, and optimize newsletters with ease. Key features include customizable templates, advanced audience segmentation, detailed analytics, and integrated monetization options, such as paid subscriptions and sponsorships.

Beehiiv is ideal for content creators, marketers, and entrepreneurs who want to build a direct relationship with their audience, driving engagement and revenue through email. Whether you're just starting out or scaling an existing newsletter, Beehiiv provides the infrastructure and insights needed to succeed. Promoting Beehiiv means aligning with a platform that empowers users to own their audience and grow their business through effective email marketing.

Mailerlite is a comprehensive email marketing platform designed to help businesses of all sizes create, manage, and optimize their email campaigns with ease. Known for its user-friendly interface and powerful features, Mailerlite offers drag-and-drop email design, automation workflows, subscriber management, and advanced analytics. Users can craft visually appealing newsletters, segment their audience for personalized targeting, and track campaign performance in real-time, ensuring maximum engagement and conversion.

Ideal for small to medium-sized businesses, entrepreneurs, and digital marketers, Mailerlite provides all the essential tools to build strong customer relationships and drive growth. It also offers seamless integrations with various e-commerce platforms, CRM systems, and more, making it a versatile choice for those looking to streamline their marketing efforts. With Mailerlite’s affordable pricing plans and robust support, publishers can confidently promote a solution that delivers tangible results for their audience.

ActiveCampaign is a comprehensive customer experience automation (CXA) platform designed to help businesses of all sizes engage with their audience, enhance customer relationships, and drive growth. It combines powerful email marketing, automation, CRM, and messaging tools into one unified solution. With ActiveCampaign, users can create personalized email campaigns, automate marketing and sales workflows, track customer interactions, and manage leads more effectively.

Ideal for small to mid-sized businesses, e-commerce stores, and marketing agencies, ActiveCampaign is particularly beneficial for those looking to streamline their customer communication, optimize conversions, and build deeper customer connections. Affiliates promoting ActiveCampaign will be offering a high-value tool that simplifies and amplifies marketing efforts, making it an attractive choice for businesses aiming to scale their operations.

Inbox Zero is an AI-powered executive assistant designed to revolutionize email management for Gmail and Google Workspace users. The platform automates repetitive tasks such as drafting replies, organizing and labeling emails, unsubscribing from unwanted newsletters, and blocking cold outreach, all based on user instructions in plain English. With features like Reply Zero for pre-drafted responses, bulk unsubscribing, cold email blocking, and detailed email analytics, Inbox Zero empowers users to reclaim their time and maintain a clutter-free inbox with minimal effort. Its privacy-first approach, open-source codebase, and Google approval ensure users’ data stays secure, while the ability to self-host adds an extra layer of control.

Inbox Zero is ideal for busy professionals, entrepreneurs, and anyone overwhelmed by their email load who wants a smarter, more efficient workflow without the cost of a human assistant. Affiliates will find this product especially appealing to productivity enthusiasts and business users seeking to optimize their daily routines, making it a compelling addition to any affiliate program lineup due to its tangible benefits, growing user base, and strong demand for effective email solutions.