Email Service Provider (ESP)

An Email Service Provider (ESP) is a company that offers tools and services for sending, receiving, and managing email communications. Businesses often use ESPs to send newsletters, promotional messages, or updates to a large audience efficiently. ESPs provide features like templates for designing emails, lists for managing contacts, tracking analytics, and ensuring emails reach inboxes instead of getting marked as spam. Popular examples include Mailchimp, Constant Contact, and SendGrid. Essentially, an ESP helps organizations connect with their customers through email effectively and professionally.