[Yahoo!]
Dear Group Moderators and Members,
Thank you for your commitment to Yahoo and for helping us define the power of
digital communities. Eighteen years ago, we combined the functionality of a
site called eGroups.com with a precursor community platform called Yahoo Clubs
to launch
We are aware that some groups are experiencing a duplicate post
problem and are working on a fix. Please refer to the Yahoo! Groups
Team Blog at http://blog.360.yahoo.com/y_groups_team for the
latest information on this issue.
post from Yahoo Groups Blog:
Duplicate Messages and Email Delivery