If your ISP
requires that you use a smart host, you can enter its address in the Outgoing mail server
textbox, as shown in Figure 15.3.
Email Server Configuration 321
15
FIGURE 15.3 The Outgoing Mail configuration window.
Some smart hosts require remote clients to authenticate who they are before forwarding
mail messages. This helps prevent what??™s called open relays, where spammers forward
mass mail messages through smart hosts. If your smart host server requires authentication,
click the Authentication button, and enter your username and password in the
appropriate textboxes.
The final piece of the Outgoing Mail window is the Masquerading button. Just as in a
masquerade party where you pretend to be someone (or something) you??™re not, mail
masquerading allows you to fake the From and Reply-To addresses in your email messages.
While on the surface this feature sounds like an evil plot to trick people, it does come in
handy in many practical situations. By default, the Reply-To address of your messages sent
by the server will contain the full mail server name (such as barney@server1.
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