HOW TO: Configure Incoming and Outgoing Connections for an IIS SMTP Server in Windows 2000

This step-by-step guide describes how to configure incoming and outgoing connections for an Internet Information Services (IIS) SMTP server.

Requirements

• Windows 2000 Professional, Windows 2000 Server, or Windows 2000 Advanced Server
• IIS 5.0 with SMTP services installed
  

Configure Incoming and Outgoing Connections for an SMTP Server

1. Click Start, point to Programs, point to Administrative Tools, and then click Internet Services Manager.
2. In the Internet Information Services console tree (left pane), click the server that contains the SMTP virtual server that you want to configure, and then expand the server node by clicking the plus sign (+) next to the server name.
3. Right-click the SMTP virtual server that you want to configure, and then click Properties.
4. On the General tab, click Connection to open the Connections dialog box.
5. In the SMTP Virtual Server property sheet, under Incoming, click the Limit Connections to: check box to enable this setting (the default is no limit), and then set the following options:
   
   
   • In the Limit connections to: text box, type the maximum number of incoming connections allowed by the SMTP server. The default is 1,000 connections. The minimum is 1.
     
   • In the Time-out: text box, type the maximum number of minutes that an incoming connection can remain inactive before the server closes the connection.
6. In the SMTP Virtual Server property sheet, under Outgoing, click the Limit connections to: check box to enable this setting (the default is no limit), and then set the following options:
   
   
   • In the Limit connections to: text box, type the maximum number of outbound connections allowed to all remote domains. The default setting is 1,000 connections and the minimum is 1.
     
   • In the Time-out: text box, type the maximum number of minutes that an outgoing connection can remain inactive before the server closes the connection.
7. In the SMTP Virtual Server property sheet, under Outgoing, select Limit connections per domain to: to enable this setting (the default is no limit). In the text box provided, type the number of concurrent outgoing connections that each domain is allowed to have.
8. In the TCP Port: text box, type the port to be used by the SMTP server for outgoing connections.

You have now configured the incoming and outgoing connections for your SMTP server.