I was wrong (Score -1, Offtopic)

It actually received 3 Offtopic moderations at the same time. I received the following moderations (in order). The times given are the times the e-mails were received.

Insightful (+1) @ 12:50 p.m.
Offtopic (-1) @ 12:50 p.m.
Offtopic (-1) @ 12:50 p.m.
Offtopic (-1) @ 12:50 p.m.

Now for part two I will set the messaging to "Web messages" and see if this makes any difference.