> For the complete documentation index, see [llms.txt](https://userguide.zappost.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://userguide.zappost.com/zap-integrations/zap-post-integrations/adestra.md).
# Adestra
Summary functionality:
* Collect recipient data from Adestra Lists.
* Set the frequency of data collection.
* Map to ZAP-POST Campaign.
* Map any custom fields you have set up in the ZAP-POST Campaign.
* Adestra Contacts are updated to record recipients who have/have not received a ZAP.
* Any returns (undelivered mail) are updated on Adestra on a daily basis.
Integration to Adestra is directly available from your ZAP-POST account, once signed in.
The following pages detail how to connect your Adestra account to ZAP-POST, and how to connect Adestra Lists to Zap Campaigns.
Set up is self-service whilst ZAP-POST will assist and manage the set up where required, at no additional cost.
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