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Common technical terms in email
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Email Service Providers – Glossary of Email Terms
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Email service providers
An email service provider (ESP) is a software provider that facilitates integration between email capabilities and web or mobile applications. It allows organizations to integrate email sending with their web apps via an Application Programming Interface (API) or Simple Mail Transfer Protocol (SMTP). Brands can then send emails at scale while managing their IP reputation and email-sending schedules.
ESPs also enable brands to manage the following tasks:
Segment and maintain email lists
Create new templates
Measure email marketing metrics like open rate, conversion rate, and click-through rate
Track click-through-to-open rate to assess clicks on calls-to-action (CTAs)
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