Companies don't bother to create an email retention policy and put the policy into place before they go out and...
buy the technology. Once you purchase the technology and install it, what policies are you going to set when you turn it on? Creating a company-wide policy with all major departments included in the decision-making process will help when setting the archive system policies later on. I've seen companies get to the point where they've made a technology choice and brought it in, and now the system is just sitting there because nobody knows what policies to setup.
Listen to the Email archiving FAQ audiocast here.
Go back to the beginning of the Email Archiving FAQ Guide.