That indicates that one or more of the recipients have full server mail boxes.
Are you saying that all the recipients are on your Exchange mail server and that your
Exchange mail server as no account storage limits?
Use the following newsgroups for questions or problems with Exchange/Windows-Messaging
You can also get to the Exchange newsgroups via this web site:
There select Servers then Exchange Server
Slipstick Systems Outlook and Exchange Solutions Center
SIMPLER-WEBB, INC. Exchange Resources
Mike - http://www.yqcomputer.com/