fix connpool cleanup and add Chroot

git-svn: trunk@4528

etc/clamav-milter.conf

@@ -45,6 +45,10 @@ Example
 # Default: no
 ##Foreground yes
 
+# Chroot to the specified directory.
+# Chrooting is performed just after reading the config file and before dropping privileges.
+# Default: unset (don't chroot)
+#Chroot /newroot
 
 ##
 ## Clamd options
@@ -84,7 +88,7 @@ Example
 # This option takes a host(name)/mask pair in CIRD notation and can be
 # repeated several times. If "/mask" is omitted, a host is assumed.
 # To specify a locally orignated, non-smtp, email use the keyword "local"
-# Default: unset
+# Default: unset (scan everything regardless of the origin)
 #LocalNet local
 #LocalNet 192.168.0.0/24
 #LocalNet 1111:2222:3333::/48