After witnessing the sheer volume of virus-laden emails shipped via blues, I decided that sending a 550 back to the client just isn't justified. Thus, it's the bitbucket for all those emails now. Take a look at the graphs. As of this writing, 40% of all email through blues has a virus. This really is out of control.... After witnessing the sheer volume of virus-laden emails shipped via blues, I decided that sending a 550 back to the client just isn’t justified. Thus, it’s the bitbucket for all those emails now. Take a look at the graphs. As of this writing, 40% of all email through blues has a virus.This really is out of control.