Exchange Activesync have an option "Period to sync" to sync mail for last 1 day, 3 days, 1 week, 2weeks, 1 month, and All.
You can configure as per your requirement.
Please check this video for setting
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In this Micro Video tutorial you will learn the basics about Database Availability Groups and How to configure one using a live Exchange Server Environment.
The video tutorial explains the basics of the Exchange server Database Availability grou…