Exchange 2003 server SP2 (SBS 2003 SP1). A number of eml files (outgoing mail) remain in the VS1 folder while others pass through fine. The stuck files all seem to be spam but hard to tell as 90% of all mail is spam. If I kill iinetinfo.exe in task manager (and it restarts automatically) these files are released. Sometimes, about once a week, all mail stops until I kill inetinfo.exe. Restarting the IIS admin service does not work but killing the exe file does.