Name:GMX (Free)
URL:https://www.gmx.com/
Description:One of the most secure, robust and user friendly mail provider
Utility:This free tool helps – 

• Create covert accounts for investigation purposes
• Create up-to 10 burner email accounts
• Send attachment up-to 50 MB 
• Protect our privacy and security

Ensures our email and other data is safe with powerful anti-virus software and spam filters