Exchange 2003 Queue fills up with postmaster emails

You experience one or more of the following symptoms on your Microsoft Windows Small Business Server (SBS) 2003-based computer:

• The Microsoft Exchange Server 2003 server queues contain many outgoing messages that are waiting to be delivered to external addresses. In this scenario,

each of these e-mail messages has postmaster name@name of your e-mail domain.com in the From field.

• Your Internet service provider (ISP) notifies you that your Exchange server is delivering unsolicited commercial e-mail (UCE). UCE is also known as spam.

• When you visit the Internet from the Windows SBS 2003-based computer or from a computer that is on the local area network (LAN), Internet access is very

slow.

• The Store.exe process and the Inetinfo.exe process use lots of CPU time and lots of available memory.

• If you stop the Simple Mail Transfer Protocol (SMTP) service, Internet access times are faster, and the Store.exe process and the Inetinfo.exe process return to

their typical levels of CPU and memory usage.

• The drive that contains the BadMail folder runs out of space. By default, the BadMail folder is located in the "C:\Program Files\Exchsrvr\Mailroot\vsi 1" folder.