🔤 Glossary

Email marketing glossary

Every email marketing term you'll meet, explained without jargon.

Overview

Speak email fluently

Email marketing is full of acronyms. Here's what the important ones actually mean, in plain language — so you can read a report or a support article with confidence.

  • Metrics: open rate, click rate, bounce rate
  • Authentication: SPF, DKIM, DMARC
  • Sending: SMTP, warmup, throttling, credits
  • List terms: opt-in, suppression, segment, hard bounce
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What you get

Key capabilities

📊

Open rate

The percentage of delivered emails that were opened at least once.

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DKIM

A cryptographic signature proving an email genuinely came from your domain.

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Warmup

Gradually increasing sending volume so providers learn to trust a new domain.

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Suppression

A permanent do-not-email list built from unsubscribes and bounces.

Great for

Who uses this

New marketers

Business owners

Students

Anyone reading an email report

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