Ch22

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Ch22

  1. 1. Chapter 22 Simple Mail Transfer Protocol (SMTP)
  2. 2. CONTENTS <ul><li>USER AGENT (UA) </li></ul><ul><li>ADDRESSES </li></ul><ul><li>DELAYED DELIVERY </li></ul><ul><li>ALIASES </li></ul><ul><li>MAIL TRANSFER AGENT (MTA) </li></ul><ul><li>COMMANDS AND RESPONSES </li></ul><ul><li>MAIL TRANSFER PHASES </li></ul><ul><li>MIME </li></ul><ul><li>MAIL DELIVERY </li></ul><ul><li>MAIL ACCESS PROTOCOLS </li></ul>
  3. 3. Figure 22-1 SMTP concept
  4. 4. Figure 22-2 UAs and MTAs
  5. 5. Figure 22-3 Relay MTAs
  6. 6. Figure 22-4 Mail gateway
  7. 7. USER AGENT (UA) 22.1
  8. 8. Figure 22-5 Format
  9. 9. ADDRESSES 22.2
  10. 10. Figure 22-6 Address
  11. 11. DELAYED DELIVERY 22.3
  12. 12. Figure 22-7 Sender-site delay
  13. 13. Figure 22-8 Receiver-site delay
  14. 14. ALIASES 22.4
  15. 15. Figure 22-9 Alias expansion
  16. 16. Figure 22-10 One-to-many expansion
  17. 17. Figure 22-11 Many-to-one expansion
  18. 18. MAIL TRANSFER AGENT 22.5
  19. 19. Figure 22-12 Email system
  20. 20. COMMANDS AND RESPONSES 22.6
  21. 21. Figure 22-13 Commands and responses
  22. 22. Figure 22-14 Command format
  23. 23. MAIL TRANSFER PHASES 22.7
  24. 24. Figure 22-15 Connection establishment
  25. 25. Figure 22-16 Message transfer
  26. 26. Figure 22-17 Connection termination
  27. 27. MULTIPURPOSE INTERNET MAIL EXTENSIONS (MIME) 22.8
  28. 28. Figure 22-18 MIME
  29. 29. Figure 22-19 MIME header
  30. 30. Figure 22-20 Base64
  31. 31. Figure 22-21 Quoted-printable
  32. 32. MAIL DELIVERY 22.9
  33. 33. Figure 22-22 Email delivery
  34. 34. MAIL ACCESS PROTOCOLS 22.10
  35. 35. Figure 22-22 POP3

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