Name:Yandex Mail (Free)
URL:https://mail.yandex.com/
Description:One of the most secure, robust and user friendly mail provider
Utility:This free tool enables – 

• Create covert account for investigation purposes

Special Features:

• Built in anti-virus
• Automatically highlights email from real people and sort everything else into other folders
• Customizable interface
• Timer and simple password recovery
• 10 GB cloud storage with Yandex.disk