Yahoo! Groups was unavailable or very slow to load from 12:30 pm to
approximately 3:20pm Pacific today. As of 3:20 pm Pacific, services
are repaired and fully recovered. Mail queued during the event is
being delivered now. Our engineers are following up now and further
investigating the cause.

We appreciate your patience during the outage, and apologize for the
inconvenience.

This message is also posted on the Yahoo! Groups Team Blog, where you
can go for news and info in the event of a Groups outage that affects
message delivery: http://blog.360.yahoo.com/y_groups_team

— The Yahoo! Groups Team