I use a free Comodo email cert with Outlook 2010. Works well for my usage. When it expires you simply renew it. Its free for personal use....
How much checking do they do to ensure you are who you say you are? Otherwise you may as well just generate your own cert. -- Getting people to stop using windows is more or less the same as trying to get people to stop smoking tobacco products. They dont want to change; they are happy with slowly dying inside. -- munky99999