Email Service Provider (ESP) is a company that provides transactional and marketing email services to help you manage your email campaigns by offering a platform or tool. An ESP allows you to create your email campaign and send your emails with ease. It typically provides authentication, API Access, Reporting, Segmentation and automation services.
ESPs have many features and functionalities:
Pepipost’s core function is providing great Email Deliverability, to help preserve your sending reputation along with a vast range of services.