Questions to be checked for email encryption.
1. How to bypass the mail from going to its mail server?
2. Bypassed mail should reach the bridge we are constructing but how?
3. What does the bridge compose of? and how will it receive the text from the mail we send?
4. How to apply encryption on that text?
5. How to put the encrypted text back into the mail server and how will it reach the receiver?
6. How can the receiver decrypt the message?