A lot of people have been complaining about an individual who is forging posts and trying to bring the group down.
It's easy to filter out his posts in Thunderbird.
See
At stage 2, type into the box: Message-ID
At stage 3, select Message-ID ... contains ... aioe.org
I feel a bit bad about suggesting this, as the guy obviously needs the attention, but it would really be a shame if his obsession led to yet another group closing.