The information store crashes, and the Internet Mail Service may stop responding when you use SpamAssassin to process incoming e-mail messages in Exchange Server 5.5

When you use Apache SpamAssassin to process incoming e-mail messages in Microsoft Exchange Server 5.5, the information store crashes, and the Internet Mail Service may stop responding. Events that are similar to the following may be logged in the Application event log.

Event 12800

Event ID: 12800
Source: MSExchangeIS
Category: Content Engine
Description: Message processing failed because there is not enough available memory (8007000E-F0000000).

Event 4182

Event ID: 4182
Source: MSExchangeIMC
Category: Internal Processing
Description: An error was returned from the messaging software the Internet Mail Service uses to process messages on the Microsoft Exchange Server. As a result, the message in spool file DCXL1QPD will be retried when the server is restarted.

Event 4102

Event ID: 4102
Source: MSExchangeIMC
Category: Internal Processing
Description: A serious error has occurred while trying to send mail into the Exchange Information Store. The Internet Mail Service is being shut down.

This problem occurs when the following conditions are true:

• The GenerateNamedProperties value is set to 1 in the following registry key:
  SYSTEM\CURRENTCONTROLSET\SERVICES\MSEXCHANGEIS\PARAMETERSSYSTEM\InternetContent
• You use SpamAssassin to update some header information for incoming e-mail messages.

Cumulative update information

To resolve this problem, obtain the November 2004 Update Rollup for Exchange Server 5.5. For more information about how to obtain this update, click the following article number to view the article in the Microsoft Knowledge Base:

Prerequisites

This update requires Exchange Server 5.5 Service Pack 4.

Hotfix information

A supported hotfix is now available from Microsoft, but it is only intended to correct the problem that this article describes. Apply it only to systems that are experiencing this specific problem.

To resolve this problem, contact Microsoft Product Support Services to obtain the hotfix. For a complete list of Microsoft Product Support Services telephone numbers and information about support costs, visit the following Microsoft Web site:Note In special cases, charges that are ordinarily incurred for support calls may be canceled if a Microsoft Support Professional determines that a specific update will resolve your problem. The usual support costs will apply to additional support questions and issues that do not qualify for the specific update in question.

Prerequisites

This update requires Exchange Server 5.5 Service Pack 4.

File information

The English version of this hotfix has the file attributes (or later file attributes) that are listed in the following table. The dates and times for these files are listed in Coordinated Universal Time (UTC). When you view the file information, it is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time tool in Control Panel.

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.

For more information about how hotfix packages are named, click the following article number to view the article in the Microsoft Knowledge Base: The third-party products that this article discusses are manufactured by companies that are independent of Microsoft. Microsoft makes no warranty, implied or otherwise, regarding the performance or reliability of these products. Microsoft provides third-party contact information to help you find technical support. This contact information may change without notice. Microsoft does not guarantee the accuracy of this third-party contact information. For more information about SpamAssassin, visit the following Apache Web site: