Free Web Based email services apart from GMail and Yahoo

Outlook.com

Outlook.com is free modern email service from Microsoft.

http://www.outlook.com

Mail : Get free Email accounts: Web based and secure Email

http://www.mail.com

Yandex email service:

https://mail.yandex.com/

10 Minute Mail: Beat spam with the best disposable e-mail service.

http://10minutemail.com/10MinuteMail/index.html

Short Mail: Shortmail is about effective and efficient email communication

https://shortmail.com