Can you run tcpdump on router? "tcpdump port 25" will show all SMTP traffic. Just look for the machine sending lots...

Once you have the IP, you should be able to get a NetBIOS name and that should be enough to identify it.


Edited by Shonky (01/03/2009 10:34)
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Christian
#40104192 120Gb (no longer in my E36 M3, won't fit the E46 M3)