4.15 organization and functioning of electronic mail

Contents Введение…………………………………………………………………….……………..3 1 Organization and functioning of e-mail networks ......... ... ............ ..6 1.1 Characteristics of mailers .. ............................ .................. 10 1.2 e-mail message ... ................................................ ........ 13 1.3 Using e-mail ................................................ ..14 2 Fundamentals of e-mail ........................... .. ..................... .18 2.1 The use of addresses in the e-mail system ........................ ..18 2.2 The structure of the e-mail address ................................. ... ............ 18 2.3 Sending E-mail to other networks ................... ............ .. ... ....... 26 2.4 The meaning and function of network resources on the basis of WEB-technologies ............ ... 26 3 Minutes of the transmit and receive e-mail .. ...................... ............ 30 3.1 Simple Mail Transfer Protocol SMTP .. ......... .. ... ... ............... .. ......... 30 3.1.1 Team e-mail protocol SMTP ................................. ..31 3.1.2 Intermediate agents .............................................. ... .. ............ ... 38 3.2 The expansion of e-mail protocol SMTP ......................... ...... ..41 3.3 protocol to send e-mail POP .. .... ................... ............... 46 Conclusion ...................................................... .. ............ .. ..................... 50 Глоссарий…………………………………………….………..………….……...............51 List of sources used ............................ ....... ...... .. .... ............ .55 List сокращений…………………………………..…………..……..……………….57 Appendix A ................................................ .. .......... ......... .. ............... .58 Appendix B ....................................................................................... 59 Appendix ....................................................................................... 60