Email marketing
Active contact
Why active and stored contact counts differ when comparing email platform pricing.
Read the answerEmail renderingAnimated GIF in email
How to preserve meaning, fallback behavior, and motion safety in an email GIF.
Read the answerEmail analyticsApple Mail Privacy Protection
What MPP hides and why recorded opens need careful interpretation.
Read the answerEmail typesBehavioral email
How customer events select an email without changing its consent or message-purpose rules.
Read the answerEmail renderingDark mode email
What dark appearance changes in email and which contrast failures merchants should test.
Read the answerEmail renderingEmail alt text
How to write useful text alternatives for informative email images.
Read the answerEmail renderingEmail client compatibility
How to preserve readable content and usable actions across inbox applications.
Read the answerContact stateHard bounce
Why a permanent delivery failure should stop retries without erasing contact history.
Read the answerEmail renderingImage blocking
How to keep an email understandable when its remote images do not load.
Read the answerEmail renderingInline CSS
What inline styles do, what they do not guarantee, and how to use them safely.
Read the answerEmail typesMarketing email
How primary purpose separates promotional email from transactional email.
Read the answerEmail analyticsOpen rate
The open-rate formula and the privacy limits behind a recorded open.
Read the answerContact stateOpted out
How an opt-out records a channel and message preference, and how it differs from deletion.
Read the answerEmail renderingOutlook rendering
How Outlook presentation differs from delivery and which message parts merchants should test.
Read the answerEmail renderingPreheader text
How preheader text supplements a subject line without becoming an accidental preview.
Read the answerEmail renderingResponsive email
How email layouts preserve reading order and usable controls on narrow screens.
Read the answerContact stateSoft bounce
How temporary delivery failure differs from a permanent hard bounce and why retries need limits.
Read the answerContact stateSuppressed contact
Why a contact can remain stored while a policy or delivery state blocks sending.
Read the answerEmail renderingSVG in email
Where SVG can help, why browser support is not enough, and which fallbacks matter.
Read the answerEmail typesTransactional email
How primary purpose separates transaction updates from promotional email.
Read the answerContact stateUnsubscribed
How an email unsubscribe changes marketing eligibility without automatically deleting the contact.
Read the answerEmail renderingWeb font
How downloadable fonts differ from installed fonts and why email needs fallbacks.
Read the answerEmail renderingWeb-safe font
How installed fonts and fallback stacks keep email text readable.
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