New means of access are being worked on; Hopefully the Curmudgeon's Corner and Rally will be online as well.
Here is the andrew bboard graffiti.bboard-censorship. The script which provides the nifty indexing by Subject is courtesy Jeff Hutzelman. The original was by Chaskiel Grundman but I made it do entirely far too much stuff and it got ugly. This is currently disabled.
Here's a posting link using mailto:, but it won't work in Mosaic:
Post to graffiti.bboard-censorship using a mailto URL.
Here's one using FORMS:
Post to graffiti.bboard-censorship using a form.
Make sure you check out the "Censorship at CMU" page being provided by Karen Fabrizius.
You might also want to check out this from Erik Larson.
Disclaimer: If this page goes away, you can assume that it's censorship on the part of CMU at work again. Whine at them, not me.