BLUE SSL Certificates, also referred to as TLS certificates, protect your servers and websites and thus ensure the trust of your customers.
Using the BLUE E-MAIL certificate, you can sign and encrypt your emails in a trusted manner with all current email programs and mail gateways. You can also use it for authentication.
According with BlueCerts Digital Signature you can sign everywhere at any time wherever you are located in the world to speed up your business and perform economy of scale.
What kind of security certificate do i need?