To subscribe to the free-food mailing list, type in
at an Athena prompt.
blanche -a kusername free-food
To subscribe to the Reuse mailing list(s), go to http://mailman.mit.edu/mailman/listinfo/reuse and sign up. See http://mailman.mit.edu/mailman/listinfo/reuse for more details / more ways to sign up (scroll to the very bottom).
reuseis actually a Mailman list and not a Moira list so
You'll first get an email asking you to confirm the subscription, and then you'll get a welcome email. (I thought I'd confirmed, but I never got a "Welcome" email... so I hadn't).
It sucks that owa.mit.edu, the MIT Office Outlook Web Access thing set up by default, doesn't have filters. I will need to figure out how to forward my email to gmail soon...