Personal E-mail Certificates - secure e-mail communications
"thawte Personal E-mail Certificate system, in conjunction with the thawte Web of Trust (WOT), is a tried and tested way to secure all e-mail communications. A simple registration process allows you to enjoy the benefits of thawte's Personal Certification System – absolutely FREE."
http://www.thawte.com/secure-email/personal-email-certificates/index.html?click=main-nav-products-email
Free Secure Email Certificates Secure Email Certificate Email Security Digital Email Signatures
"Comodo offers fully S/MIME compliant Secure Email Certificates FREE for personal use
Free Secure Email Certificates allow you to encrypt and digitally sign email and attachments keeping them secure and confidential"
http://www.comodo.com/products/certificate_services/email_certificate.html
