The OUSFG e-mail address list has now been retired.
It was getting quite long in the tooth. It had been around since 1994 (at least), but hadn't been updated since 2006, so there were lots of outdated entries. There are now better ways to contact old friends.
http://users.ox.ac.uk/~ousfg/people/people.html, last
modified 6th May 2010 by Tim Adye, <T.J.Adye@rl.ac.uk>