Do you need a digital id for signing email? You can get a free digital id (for personal use) at Comodo. Digital ID’s for commercial use are $12/year.
Free Certificate from Comodo. Please note that this offer may be withdrawn at any time. At the time of this update (March 2012), the free certificate is valid.
Microsoft Office site lists additional certificate providers if the Comodo free offer is no longer available.
Published October 21, 2010. Last updated on March 6, 2012.