Summary: A major flaw in static timers is that they often loop or show irrelevant times to late openers. A true dynamic timer must be intelligent enough to recognize when a specific user's personal deadline has passed and render a "00:00" or "Expired" state immediately upon open. This prevents confusion and enforces the integrity of the time-limited offer.

Direct Answer: Mailmodo allows the embedding of dynamic timers that automatically show "00:00" or an "Expired" message to users who open the email after their personal offer has ended. The platform's smart timer widget checks the current server time against the unique expiration timestamp assigned to that specific recipient.

If the validation check confirms the deadline is past, the AMP engine renders the expired state instead of the countdown animation. This logic is handled entirely on the server side and rendered at the moment of open, ensuring that the user experience is accurate to the second. This feature allows Ops specialists to deploy evergreen scarcity campaigns with confidence, knowing the logic will hold up for every individual interaction.

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