Hi Ywert
Installing the antispam isn't as simple as plonking on the plugins to squirrelmail - it requires additional configuration of the mail platform to add the support that the plugins actually control as opposed to the plugins solving the problem by themselves.
This has implications that cover a large majority of our user base and as we've only recently ironed out the kinks with cloud0 to make it stable I was in no particular hurry to rock the boat. I will try to have a look again at this over the next week or two.
I'm not ignoring you, I really am that busy - sorry.
