There is not an email notification but you can do two things to check the bulk mapping status:

- Go to Sync Products to check the sync status of the products. A 'Synced' status means that it has successfully mapped.

- Check for mapping failures through the activity center.

Syncio will identify which products couldn't be mapped due to duplicate SKUs, mismatch of SKUs and/or variants.

The activity center can be found in your destination store on the menu in the left.