SpamBlocker 4.x update: 4.2.6, 4.3.5, 4.4.7, 4.5.5

[DirectAdmin Support]

The combined.rbl.msrbl.net RBL has stopped working. Please update your 4.x exim.conf versions.
The 2.x versions are not affected.

More info:
http://forum.directadmin.com/showthread.php?t=54919

John