Depeering McColo, cuts my $emp spam rate in half!

[johno]

OMG! The depeering one ISP has dropped my $employer's spam catch rate from 85% to 46% in one day! http://tinyurl.com/5j8wzy

eta:
Normally 85% or 3-4 million messages of our mail flow is thrown away as spam.

Today it's 46% or 700K message messages we've thrown away as spam.