Colorize a map

[Christian]

Hello,
I have a map here and I want to colorize "counties" (german ones) depending
on their values in the dbf-File. I have found out how to label them with
that data, but not how to give them a color depending on the value.
We have different amounts of deliveries to the "counties" and now I want to
present them by different colors. Any possibility within the mapfile? One
problem could be that I don't know the highest value, it can differ.
Many thanks!

Greetings!
Christian
PS: Does anybody know that the archive-server for this list only shows 2
messages for August?

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christian