Not to single you out specifically, but you guys sound like a bunch of pansies. Make up a few fake people with names and addresses and use those. It's more fun to do so on the spot.
Ted Billson. There...use that. His email address is ted@bill.com if you get asked. ;)
His email address should really be ted.billson@example.com.
Another 'fuck you money' project: a set of domains with an open SMTP server that does nothing but flip the headers around and re-send the message back to the sender.
Ted Billson. There...use that. His email address is ted@bill.com if you get asked. ;)