DefaultMail allows you to set a per-user default email client that is used whenever the user clicks on a mailto link or otherwise initiates an email (MAPI) feature. Unlike the standard XP configuration, this tool allows each user to set their own default mail client without affecting the other user profiles. It automatically detects installed email clients and allows you to simply select which one to use.

The license of this software is Freeware, you can free download and free use this email tool software.