> For the complete documentation index, see [llms.txt](https://help.recart.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://help.recart.com/compliance-protections/built-in-protections.md).

# Built-in Protections

Explains the compliance protections Recart runs automatically on every account, like Smart Sending and Quiet Hours.

Recart handles these for you automatically. There's nothing to switch on — they're already running on your account. These articles explain what each one does and how to adjust it.

* [SMS Smart Sending](/compliance-protections/built-in-protections/sms-smart-sending.md) — stops subscribers being messaged too often
* [SMS Quiet Hours](/compliance-protections/built-in-protections/understanding-sms-quiet-hours.md) — holds messages outside the hours your subscribers allow
* [Automated List Cleaning](/compliance-protections/built-in-protections/automated-list-cleaning.md) — removes numbers that no longer reach anyone
* [How Recart filters bot clicks on SMS messages](/compliance-protections/built-in-protections/how-recart-filters-bot-clicks-on-sms-messages.md) — keeps bot traffic out of your click rates
* [AI-Powered Unsubscribe Intent Detection](/compliance-protections/built-in-protections/ai-powered-unsubscribe-intent-detection.md) — catches opt-outs that aren't the word STOP
* [Understanding Time Zones in Recart](/compliance-protections/built-in-protections/understanding-time-zones-in-recart.md) — how sending times are worked out per subscriber


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