Microsoft KB Archive/173561

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Knowledge Base

XADM: Cannot Limit the Message Size Submitted by an Anonymous User

Article ID: 173561

Article Last Modified on 10/28/2006


  • Microsoft Exchange Server 4.0 Standard Edition
  • Microsoft Exchange Server 5.0 Standard Edition
  • Microsoft Exchange Server 5.5 Standard Edition

This article was previously published under Q173561


There is currently no way to limit the size of a message that is submitted or posted by an Anonymous User.


The current design of the Microsoft Exchange Information Store does not limit individual message sizes. Individual message limits are controlled by the Microsoft Exchange Connector and Message Transfer Agent (MTA) components. The only limits that currently exist in the information store are mailbox and folder limits.


Microsoft has confirmed this to be a problem in Microsoft Exchange Server, versions 4.0, 5.0, and 5.5. We are researching this problem and will post new information here in the Microsoft Knowledge Base as it becomes available.

Keywords: kbbug kbpending KB173561