General Info Wiki (this page).
Scheduling/canceling games (#game) - How to Schedule a Game
Selling, "looking for", trade or "free" wargaming items (#marketplace) - SBGC Market Place
SBGC finances - How to pay dues, etc. - SBGC Financial stuff
Update/cancel an existing event, by sending an email to firstname.lastname@example.org with the hashtag "#game" in the subject line, like this:
Subject: #game for June 9 - Battle of Gibraltar 1607