Answer :
Henry should send the email using a VPN to leave no traces.
A VPN allows the user to establish a private network within a public network.
What are the benefits of using a VPN?
- Cryptographic security.
- Secure data transfer.
- Data control.
With the use of VPN, browsing data is restricted to the user, so it is possible to browse the internet and send emails without leaving any traces that could denounce the user and his location, which would facilitate Harry's goals.
More information about VPN in the link:
https://brainly.com/question/26327418