It's happening all the time on *all* major mail servers as far as I can tell.
I work tech support for a webbuilder company, and we use a rudimentary Outlook system. We're still averaging tens of thousands of Sobig.F messages daily. At the height, I believe we were averaging around 250k for the first two or three days.
That's for somewhat less then 10k active members.
Now imagine Hotmail's accounts... or Yahoo's... or AOL's...
By clicking on the User Name, you will requery the forum for that user. You will see everything that he or she has posted with that Mudcat name.
By clicking on the Thread Name, you will be sent to the Forum on that thread as if you selected it from the main Mudcat Forum page.
By clicking on the Subject, you will also go to the thread as if you selected it from the original Forum page, but also go directly to that particular message.
By clicking on the Date (Posted), you will dig out every message posted that day.
sj