An update for the y!groups mailer list Dec 5, 2006:

added 69.147.65.0/24


current complete list as of Dec 5, 2006:

69.147.64.0/24
69.147.65.0/24
66.94.237.0/24
66.218.66.0/24
66.218.67.0/24
209.73.160.0/24
209.73.164.0/24


Adding these addresses to your whitelist helps ensure that client
email is not blocked due to false positives from filters.