Outlook 2003 junk mail folders have a small red circle with red bar on the folder and no messages in the folder. No error messages with Outlook or with the server. OWA is the same. The junk mail folderhas a messagethat there are no message to display in the folder. This occurs with users that receive a lot of junk mail and those that receive nearly no junk mail. SBS 2003 SP2with Exchange 2003 SP2 and all updates. POP3 with IMF enabled for futuremigration.The only recient change is a new mail ISP that adds the word "spam" to suspected spam messages. TrendMicroWorry-Free Business Security 5.0; formerly TrendMicro Client Server scans mail for viruses only.Increaseing the exchange message store did not fix the problem. They need toreceive junk mailto get non-junk messages.

Check your IMF settings to insure its set not to Delete these messages. You can also turn on Message Tracking to see where the messages are going. It does sound like IMF is catching them though.MVP Exchange Server

What do you mean about junk mail folder has a message that there are no message to display in the folder? Yes, please check the IMF setting as John suggested, and check the SMTP Virtual Server, ensure the function is applied a. Launch EMS b. Expand Administrative groups->Administrative group name->Servers->Server name->Protocols->SMTP c. In the right-pane, right-click default SMTP Virtual Server and select Properties d. In the General tab, click Advanced button e. In the Advanced dialog window, click Edit button f. Checkbox the Apply Intelligent Message Filter option Also, please ensure that Junk Email Folder is enabled (More in this article) Advanced troubleshooting: Please verify whether IMF works for incoming messages by checking X-MS-Exchange-Organization-SCL header in the Internet header of messages Notes: you can also use KB 895091 to check all incoming message more easily Please check if theres any error info on the application log Please raise up the diagnostic logging on MSExchangeMU, see if theres any error info on the application log References: Intelligent Message Filtering does not scan messages that are larger than 3 MB (KB 907691)