[Users] folder synchronization

[Paul]

On Wed, 12 Aug 2015 16:52:23 +1000
blind Pete <peter_s_d at fastmail.com.au> wrote: 

> Is there a sensible way to do this?  

Use a folder processing rule, based on age, and run it on demand,
manually, instead of of automatically when entering the folder.

> And to get rid of existing duplicates?  

/Tools/Delete duplicated messages/in selected folder

with regards

Paul