Glossaries

Glossaries by Senders.

Understand email deliverability a bit better — what to expect from your campaigns, what to ask your vendors, the key dos and don'ts of outbound, and your obligations as a sender. These glossaries help businesses master the fundamentals of safe, scalable sending. Download them, share them with your team, and reach out if you run into any trouble — our team loves a good deliverability challenge.

Our glossaries

Four PDFs. Pick the one closest to what you're working on.

01 · GLOSSARY · PDF

Email Authentication and Protocols

From SPF to DMARC, a comprehensive guide packed with essential information to protect your emails at all times.

SPF

DKIM

DMARC

BIMI

TLS

02 · GLOSSARY · PDF

Email Deliverability

Understand authentication, bounce rates, blacklists, feedback loops, graymail, IP reputation, list hygiene, spam scores, subscribe rengagement, whitelisting, and more.

Reputation

Bounces

FBLs

Hygiene

Whitelists

03 · GLOSSARY · PDF

Email Marketing and Content

A comprehensive glossary covering the essential terms and concepts needed to master the art of email marketing.

Segmentation

CTR

Engagement

A/B

Lifecycle

04 · GLOSSARY · PDF

Email Warming

Demystifies email warming and provides essential information you need to leverage the technique effectively.

Warm-up

Volume ramp

Throttling

Cold start