SSL Certs
Domain Validated Comodo Essential SSL Certificate - Works for both www and non-www versions of your domain name!
Organizational Validation Comodo Instant SSL Certificate
Extended Validation (EV) Comodo SSL Certificate with Server Gated Cryptography (SGC)
Domain Validation Comodo Essential Wildcard SSL Certificate - Allows unlimited sub-domains like mail.domain.com, ftp.domain.com, support.domain.com, sales.domain.com, etc...