E-mail Investigator Lite is a free, basic, version of E-mail investigator. It only has the ability to investigate one E-mail address at a time, and cannot produce detailed reports. This version is ideal for someone who needs to quickly ascertain the validity of an E-mail address.
Features: Fast, Simple, Automatically retrieves DNS server.

• Email Investigator Express 1.0.0
  E-mail Investigator Express has all the simplicity of Lite with the added ability to produce detailed reports of its progress during the investigation process. these reports can...

• Temp eMail Script 1.0
  Disposable E-mail (Temporary E-mail) allows you to create a website

• Temp eMail PHP Scripts 5
  Temp eMail PHP Script - Disposable E-mail (Temporary E-mail) allows you to create a website that provides the users with disposable e-mail addresses which expire after a certain time