- 8.1 What is the difference between RFC 5321 and RFC 5322?
- 8.2 What are the SMTP and MIME standards?
- 8.3 What is the difference between a MIME content type and a MIME transfer encoding?
- 8.4 Briefly explain base64 encoding.
- 8.5 Why is base64 conversion useful for an e-mail application?
- 8.6 What is S/MIME?
- 8.7 What are the four principal services provided by S/MIME?
- 8.8 What is the utility of a detached signature?
- 8.9 What is DKIM?