web content is conent;
web design is design;
wev server is server;

Now substitute "mail" and "listserv" and "lists."


What I mean is that these are all different products and services and they are not necessarily transitive.

It will also vary with the size of the organization, individuals' interests and commitments, as well as having critical skill cross-training e.g., not putting all of your IT skills into one (or limited number of) person(s).

/Pete