Here are a few steps to ensure that your emails are secure:

1. Read the Fine Print: Make sure to review the Terms & Conditions and Privacy Policy of any website or service that you use to send emails.
2. Encrypt Your Messages: Use a secure email service that supports encryption to send highly sensitive information safely and strengthens your email security.
3. Be wary of links or attachments: Take caution with clicking external links or downloading files in emails from untrusted sources.
4. Use multi-factor Authentication: Always use multi-factor authentication (MFA) to access accounts in order to add an extra layer of security.