We have two possibly three internal URLs we need certificates for. What types of certificates should we purchase? Should we query certificate vendors that are free? Usually if they are free, they won't provide support, correct? One URL is a web server and the second is an email server. The email server is also accessible by URL. Thanks
You'll want to purchase a single certificate that covers multiple URLs, since you have more than one. These are known as SAN or UCC certificates. GoDaddy (as well as other providers) offers one that covers up to 5 URLs. When you purchase a SAN/UCC certificate, there are certain steps you need to do to apply the certificate to more than one server. If you're not familiar with this process, I think you can most likely find instructions in the Help section of the provider's website. Or post back here for assistance.
BTW, just a note: If you're using a Microsoft Exchange email server, you have more than one URL just for the Exchange server itself.