 |
Data file 6 |
SMTP session with delivery of one mail message from
SMTP client to SMTP server. Contains approximately 3,000 bytes and 30
packets.
|
 |
Figure 32.1 |
An example e-mail message. Lines of the header begin with a
keyword and a colon; a blank line separates the header from the body .
|
 |
Figure 32.2 |
Examples of keywords found in Internet mail.
|
 |
Figure 32.3 |
The path of an e-mail message. The mail transfer program on the
sender's computer becomes a client of the remote mail server.
|
 |
Figure 32.4 |
An example SMTP transfer between a client on computer
example.com and a server on computer foobar.com. Each line is
labeled to show whether the client or server transmits the line.
|
 |
Figure 32.5 |
An example database used by a mail exploder. Each entry is
assigned a name and contains a list of e-mail addresses.
|
 |
Figure 32.6 |
The path of a message as it passes from a sender's interface through
a mail gateway. On the gateway computer, an exploder handles incoming
e-mail, and a conventional mail transfer program sends a copy to each
recipient.
|