I have -> Operating system CentOS Linux 5.11 Webmin version 1.795 Virtualmin version 5.03
And i have one problem with one client, i have a high inside traffic to my mail server from one of my clients, its from your network who haves a 20 PCs inside, and i suppose one of them have a problem with one mail in his "tray outbox"
How can i locate this client to solve the problem ???