To set up email encryption for added security, perform the following steps:

1. Install and configure an encryption software.
2. Enable message encryption for all outgoing emails.
3. Proof-read all messages before sending. Make sure all sensitive information is encrypted before sending.
4. Always check that the email address of the recipient is correct.
5. Set restrictions on who may access the emails.
6. Periodically update your encryption software to ensure it meets the latest security standards.