____________________________________________299

 4.    -
SMTP, ,14 ...............................................................................168

SMTP................................................................................................................. 168

  , MIME....................................................... 169

  SMTP ................................................................................. 177

 ,  ...................................................... 178

 ........................................................................... 183

...................................................................................................... 185

 SMTP-   8- ................. 187

 SMTP    TCP..................... 189

.................................................................................................................. 190

 ....................................................................................... 190

 ,  ...................................................... 192

 ......................................................................................... 196

IMAP4............................................................................................................... 197

 ....................................................................................... 198

   IMAP ....................................................... 199

 ...................................................................................... 200

 ......................................................................................... 205

 5.    - NNTP......................207

 USENET.......................................................................................... 207

  ........................................................ 209

 ........................................................................................ 210

    USENET.................................................... 211

 ........................................................................... 214

  ............................................................................. 217

 NNTP,  ......................................................... 219

  .......................................................................................... 223

 6.    WWW - HTTP .................................224

 WWW............................................................................................... 224

  HTTP-............................................ 228

  HTTP........................................................................ 230

   ..................................................................... 230

 .......................................................................................... 23

 ...................................................................... 238

 HTTP  CGI-.................................................... 240

   HTTP .......................................... 243

 7.    - FTP .............................246

  FTP...................................................................................... 246

  .................................................................... 250

  .......................................................................................... 252