We are investigating and fixing and will have everything back to normal a.sa.p.
Please note that all mail filtering is continuing as usual.
A little weird - it seems only certain browsers are affected…
Using IE 8, Chrome, Opera everything is OK
Using IE 11, Dragon, Firefox the result is a 500 error
Still figuring this one out browser version by browser version looking for the commonality. Will advise soonest.
Found It - Fixed It.