Secure Email Transmission: Meaning and Importance

 

Secure Email Transmission: Meaning and Importance

Secure email transmission refers to the process of sending and receiving emails in a way that protects the message from unauthorized access, interception, or tampering. Since emails travel across the internet through multiple servers, security is essential to keep sensitive information safe.

How Secure Email Transmission Works

Secure email transmission mainly uses encryption. Encryption converts the email message into an unreadable form while it is being sent. Only the intended recipient, who has the correct decryption key, can read the original message.

One common method is TLS (Transport Layer Security), which encrypts emails while they are in transit between mail servers. This prevents hackers from reading the message during transmission.

Another advanced method is end-to-end encryption, where the email is encrypted on the sender’s device and decrypted only on the receiver’s device. Even the email service provider cannot read the content.

Other Security Measures in Email Transmission

Authentication ensures that the sender is genuine and not impersonating someone else.
Digital signatures verify that the email has not been altered during transmission.
Spam filters and firewalls protect users from malicious emails, phishing, and malware.

Importance of Secure Email Transmission

Secure email transmission protects confidential data, such as personal information, passwords, financial details, and official documents. It also helps prevent identity theft, data breaches, and cyberattacks, making email communication reliable and trustworthy.

Secure Email Transmission, 

1. Secure email transmission mainly aims to:
   A. Increase email speed
   B. Reduce storage space
   C. Protect email content from unauthorized access
   D. Delete spam emails
   Answer: C

2. Which technique is primarily used to secure email transmission?
   A. Compression
   B. Encryption
   C. Formatting
   D. Encoding
   Answer: B

3. Which protocol is commonly used to encrypt emails during transmission between mail servers?
   A. FTP
   B. HTTP
   C. TLS
   D. POP
   Answer: C

4. End-to-end encryption means:
   A. Email is encrypted only on the server
   B. Email is encrypted only during storage
   C. Email is encrypted from sender to receiver only
   D. Email is not encrypted
   Answer: C

5. Which of the following ensures that an email has not been altered during transmission?
   A. Firewall
   B. Digital Signature
   C. Spam Filter
   D. Cache Memory
   Answer: B

6. Secure email transmission helps mainly to prevent:
   A. Hardware failure
   B. Power loss
   C. Data theft and interception
   D. Slow internet speed
   Answer: C

7. Which of the following is an example of secure email technology?
   A. HTML
   B. SMTP
   C. PGP
   D. ASCII
   Answer: C

8. Authentication in secure email transmission is used to:
   A. Speed up email delivery
   B. Verify the sender’s identity
   C. Compress email data
   D. Store emails permanently
   Answer: B

9. Which security feature protects emails from being read while in transit?
   A. Backup
   B. Encryption
   C. Formatting
   D. Archiving
   Answer: B

10. Secure email transmission is most important for sending:
    A. Advertisements
    B. Greetings
    C. Confidential and sensitive information
    D. Newsletters
    Answer: C