I wish there were a solution to the problem, but spam is here to stay, and spammers don't care how many people they inconvenience. If you're using Outlook, you can set up rules to keep these from being delivered to your inbox. However, with bounce messages, it may be difficult to find a common phrase.
For faculty and staff, I'd suggest you create a folder in Outlook. Right click on your name in the list of folders and create a new folder. Then click on "Rules" under "Tools," and follow the prompts to move mail to the folder. You can then check the folder to make sure that nothing important was accidentally sent there.
Students can also set up folders (using the same directions as in the previous paragraph) and rules in Outlook Web Access (there is a button for rules at the bottom left of the screen, but there are fewer options than with Outlook on the desktop).
These mailstorms pass. After a few days, the spammer will chose another e-mail address at random and you will stop getting the messages. It's a pain, but there's just no way to stop someone from spoofing your e-mail address.