Email is an essential communication tool in today’s digital age, and having a reliable and efficient Email Service Provider (ESP) is critical. With so many options out there, it can be difficult to choose the right one. We have put together a list of recommendations for the best ESPs, based on features such as pricing, automation capabilities, integrations, ease of use, and more – to help you find the right ESP for your needs, whether you are a small business owner, mid-market, or enterprise.

For Small and Medium-sized Businesses (SMBs)

Mailchimp and Constant Contact are excellent Email Service Providers (ESPs) to consider. Mailchimp is popular for its user-friendly interface, affordable pricing, and powerful features like email automation, landing page creation, and audience segmentation. Constant Contact offers useful email templates, list-building tools, contact management features, marketing automation, social media marketing, and e-commerce integrations.


Hubspot and Campaign Monitor are both strong contenders. Campaign Monitor is a powerful ESP for the midmarket, with advanced features such as dynamic content, conditional content, personalized product recommendations, advanced reporting and analytics, segmentation, and integrations with third-party applications. Hubspot is a comprehensive marketing platform, offering email marketing, CRM, marketing automation, lead nurturing, lead scoring, and A/B testing.


Pricey, but ready for the enterprise, both Salesforce and Oracle offer robust solutions. Salesforce Marketing Cloud is an enterprise-level ESP providing a sophisticated journey builder, predictive analytics, social media integration, robust customer data management, and personalization tools. Oracle Responsys is a cloud-based ESP with automated email marketing, segmentation, reporting capabilities, AI-driven personalization, and multichannel marketing.