Hot answers tagged email
As it mentioned here: you can use ready-to-use packs of Custom Workflow actions - the one I've used is SharePoint Workflows pack by Virto. Some of them are free, so probably the ones you need is in that list. It has 30 days of full trial - so you can check if it will work for you. Good luck!
All Users is probably not an email enabled group. As far as I know you can send emails to email groups that have been defined in Active Directory, but not to all users authenticated to SharePoint. Check if your Active Directory contains such a group and use that.
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