How to configure the ASPNET account to send an E-mail by using the System.Web.Mail namespace (895552)

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Warning Serious problems might occur if you modify the registry incorrectly by using Registry Editor or by using another method. These problems might require that you reinstall your operating system. Microsoft cannot guarantee that these problems can be solved. Modify the registry at your own risk.
To configure the ASPNET account to send an e-mail message by using the System.Web.Mail namespace, follow these steps:

Part 1. Grant permission for the ASPNET account to access the registry key for Microsoft Collaboration Data Objects (CDO) for Exchange 2000 Library

1. Click Start, click Run, type regedt32, and then click OK.
2. In Registry Editor, locate and expand the HKEY_CLASSES_ROOT registry subtree.
3. Expand TypeLib, and locate {CD000000-8B95-11D1-82DB-00C04FB1625D}.
4. Right-click {CD000000-8B95-11D1-82DB-00C04FB1625D}, click Permissions, and then click Add.
5. Type ComputerName\ASPNET, and then click OK.
   
   Note The placeholder ComputerName is a placeholder for the name of the computer.

Part 2. Grant NTFS file system permissions for the ASPNET account to the \Inetpub\mailroot\pickup folder

1. Click Start, click Run, type \Inetpub\mailroot\, and then click OK.
2. Right-click Pickup folder, click Properties.
3. Click the Security tab, click Add, type ComputerName\ASPNET, and then click OK.
4. Make sure that the following permissions are selected. If they are not selected, click to select them.
   • Read & Execute
   • List Folder Contents
   • Read
5. Click OK.

Part 3. Configure the Smart host for Microsoft Internet Information Services (IIS)

1. Click Start, click Run, type inetmgr, and then click OK.
2. Expand ComputerName, right-click Default SMTP Virtual Server, and then click Properties.
3. Click the Delivery tab, and then click Advanced.
4. In the Smart host text box, type SMTP Smart host Name, and then click OK.
   
   Note The SMTP Smart host Name placeholder is a placeholder for the name of the SMTP Smart host.

Part 4. Specify the logon account and password for the SMTP Smart host server in the ASP.NET configurable file

Specify the logon account and password for the SMTP Smart host server in the ASP.NET configurable file to provide credentials for the domain logon. The logon account and password for the SMTP Smart host server are the same as the logon account and password that you established in Part 3. To specify the logon account and password for the SMTP Smart host server in the ASP.NET configurable file, follow these steps:

1. Click Start, click Run, type inetmgr, and then click OK.
2. Expand ComputerName, right-click Default SMTP Virtual Server, and then click Properties.
3. Click the Delivery tab.
4. Click Outbound Security.
5. Click Basic authentication, and then type the logon account and password.
6. Click OK two times.

For more information about the System.Web.Mail namespace, visit the following Microsoft Web site: