Notify a user when a folder content is changed

Plone Support
1

How can i notify a user (eg a reviewer or a contributor) by email when a file is added to the folder or when a file is retracted.
im using plone 4.3

2

Check out Plone content rules or try the

addon.

-aj

3

Take a look at collective.contentrules.mailtorole (not sure if this work on Plone 5 yet)