The 10 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.

Double Zero is an open-source email infrastructure platform that empowers users to fully own and control their email sending capabilities. Designed to simplify the deployment and management of email services, Double Zero provides an easy-to-use email API for sending transactional emails and supports advanced features like broadcasts and automations through its Pro version. With single-command deployment using SST, seamless setup of AWS services (SES, SNS, SQS, EC2, S3, Route 53), and a straightforward REST or JS API, users can quickly establish robust, scalable email infrastructure without relying on traditional third-party providers. The platform also offers features such as multi-recipient tracking, a WYSIWYG editor, SMTP endpoints, contact and list management, and team collaboration tools.

Double Zero is ideal for developers, SaaS businesses, and organizations seeking greater control, transparency, and cost-efficiency in their email operations. It stands out for its open and modifiable codebase, affordable pricing, and the ability to deploy within your own cloud environment, making it a compelling choice for privacy-conscious users and those looking to avoid vendor lock-in. Affiliates will find Double Zero attractive to promote, as it addresses a growing demand for customizable, developer-friendly email solutions that balance ease of use with full ownership and transparency.

Dody is a cutting-edge email marketing optimization tool designed to help businesses maximize the value of every lead and boost their conversion rates. The platform offers instant email validation to ensure addresses are accurate and deliverable, automatic correction of common errors, and advanced data extraction that pulls names and gender information from email addresses. Additionally, Dody intelligently normalizes capitalization, making communication more personalized and respectful. Integration is seamless and quick with existing web applications and CRM systems, allowing users to enhance their email marketing without disrupting their current workflow.

Dody is perfect for marketers, agencies, and businesses that rely on email campaigns and want to ensure their lists are clean, accurate, and enriched for maximum impact. Affiliates will find Dody an attractive program to promote thanks to its focus on increasing campaign effectiveness, reducing wasted spend on bad leads, and providing features that drive real, measurable improvements in email engagement and conversions.

Simple Signature is a minimalist email signature editor designed to create clean, professional signatures that are compatible across all email platforms. By focusing on simplicity, it avoids font inconsistencies and unnecessary elements, using just one image to ensure your signature always looks polished and cohesive. The tool allows users to generate a signature quickly and easily, eliminating the hassle of complicated formatting or technical issues.

This service is ideal for professionals, freelancers, and businesses seeking a reliable, straightforward way to present their contact information in emails without distractions or formatting problems. Affiliates will find Simple Signature appealing to promote because it solves a common pain point, offering a free, user-friendly solution that delivers consistent results and enhances users' professional image with every email they send.

Recurrr is an email automation tool designed to help users effortlessly send recurring emails from their existing Gmail, Outlook, or other email accounts. With an intuitive interface and quick five-minute setup, Recurrr allows you to schedule emails to be sent automatically at intervals you define, turning repetitive communications into a streamlined, hands-off process. Its powerful natural language processing feature makes setting up complex schedules easy, while a calendar view offers clear visibility into your upcoming automated messages. All emails are sent securely using AES-256 encryption, with a privacy-first approach that ensures no access to your inbox or contacts.

This service is ideal for managers, entrepreneurs, sales professionals, team leaders, and anyone looking to replace routine meetings or reminders with automated emails. It's also perfect for individuals seeking accountability for recurring tasks. Affiliates will find Recurrr appealing to a broad user base thanks to its simplicity, privacy focus, affordable pricing, and compatibility with any modern browser—making it a valuable, easy-to-promote solution for boosting productivity and saving time.

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.