No it is not. I Have just received a message timed at 11:48 and sent several in the past few minutes.
Having seen the time of your post, I have just looked back at my messages and there are plenty in and out from 07:00 this morning right through until now (midday).
M H C
taurus excreta cerebrum vincit
Edited by MHC (Fri 06-May-11 11:55:27)