Tosh

Hides private details from comment notification emails, such as IP address and email.
Why would you want this? Say for example you have Contributors on your blog. You don’t want them to get emails with your commenter’s private information.

Private Comment Notification Email

Hides private details from comment notification emails, such as IP address and email.

Pippin Williamson

Easy Digital Downloads

This is a simple extension for Easy Digital Downloads to restrict file download access to the IP address originally used to purchase the files.
The primary purpose of this extension is to prevent users from sharing file download links.

Easy Digital Downloads – Lock Downloads to IP

Lock file download access to the original purchase IP for Easy Digital Downloads

Private Comment Notification Email vs Easy Digital Downloads – Lock Downloads to IP