Digital marketing glossary

Email service provider (ESP): meaning

Written and reviewed by L.K. Monu Borkala · Updated 5 November 2026

Definition

Email service provider (ESP): A tool such as Mailchimp, Brevo, Zoho Campaigns or MailerLite used to manage lists, design and send marketing emails, run automations and see reports.

Definition from the OneCity AI Academy course notes.

Where you learn it

Module 8: Email & WhatsApp Marketing
- Class: Email Tools & Copywriting

Apple Mail Privacy Protection
CTR (Click-through rate)
Deliverability
DKIM
DMARC
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Definition

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