XIMS: Outbound Limitation Works Improperly in Exchange Server Internet Mail Service 26xx (240788)

SYMPTOMS

After you apply one of the Internet Mail Service post-Exchange Server 5.5. Service Pack 2 (SP2) hotfixes from 2607 to 2650 on an Exchange Server 5.5 SP2 computer, the outbound limitation, which is configured for a specific domain does not work correctly.

CAUSE

The problem is introduced by the resolution of a previous problem, which is actually a new feature. For additional information about this new feature, please see the following article in the Microsoft Knowledge Base:

231303 XFOR: New Feature for Setting Size Limit for Internet Mail Service

In the feature, a new registry key, OutboundSizeLimit is created, which uses numbers in bytes, so other configurations are changed to use numbers in bytes, too. But the configurations of maximum message size that are specified for each individual domain still use numbers in kilobytes, so the comparison returns an incorrect result.

RESOLUTION

To resolve this problem, obtain the latest service pack for Exchange Server version 5.5. For additional information, click the following article number to view the article in the Microsoft Knowledge Base:

191014 XGEN: How to Obtain the Latest Exchange Server 5.5 Service Pack

The English version of this fix should have the following file attributes or later:

Component: Internet Mail Service

File name	Version
Msexcimc.exe	5.5.2650.21
Imcmsg.dll	5.5.2650.21

STATUS

Microsoft has confirmed that this is a problem in Microsoft Exchange Server version 5.5 Service Pack 2. This problem was first corrected in Exchange Server 5.5 Service Pack 3.

MORE INFORMATION

Steps to Reproduce the Problem

On the Internet Mail tab of the Internet Mail Service Properties page, click on the E-Mail Domain button next to Specify by E-Mail Domain.
Add a domain. Specify a value in the Maximum Size field. The value that is entered is divided by 1024 when it is used. For example, if 2,000 KB is entered, only messages that are less than 2 KB can be sent out.

This regression is introduced after SP2.