E-mail message can be protected by

A. Encryption एन्क्रिप्शन

B. Caching कैशिंग

C. Mirroring मिररिंग

D. Shadowing शैडोविंग

Correct Answer is :

A. Encryption

Explanation

Email encryption is encryption of email messages to protect the content from being read by other entities than the intended recipients. Email encryption may also include authentication.