advanced google search: How to search content inside and outside a webiste?

Search content inside website can be done using:
freepastry site:*.edu

Sometimes one wants exclude contents from a web domain, in the above example the top 6 out 8 search results are from:https://mailman.rice.edu/mailman
To exclude the results from mailman.rice.edu , one can use:
-site:mailman.rice.edu







Here are the results of
freepastry site:*.edu -site:mailman.rice.edu

as shown in the picture, results from mail.rice.edu are excluded