Did you enter a from display name?
In some server configurations, the from address may show blank if a from display name is entered, some may show a blank from address if no from display name is entered. try both with and without.
Your friends over here at WebAssist! These Dreamweaver extensions will assist you in building unlimited, custom websites.
These out-of-the-box solutions provide you proven, tested applications that can be up and running now. Build a store, a gallery, or a web-based email solution.