... mail service, on the other hand, is a large, complex piece of software that accepts data (mail) from and returns data to the client, as well as reads and stores data and configuration information ... customer and, at that point, discuss the cost of a full security evaluation of their network, including hardware, software, internal, and external practices I then gathered a few widely available ... choose mail server software that is as bulletproof as possible and use care when configuring it, paying attention to details like available hard disk space, network bandwidth, and so on Install a server−based...