In my lab I only use certificates issued from my own CA so I don’t have to buy a certificate. But it would be nice to be able to test real public CA:s without the need to buy a certificate (see this post for a price comparison). All of them, except Entrust, offers free trials. I decided to try them out in my lab environment where i have Exchange 2007/2010 and secured using TMG/ISA. Of an by the way, don’t [...]

