Hi,
I found a patch that fixes a syntax error in rc-debian.sh.in
in debian package:
http://ftp.de.debian.org/debian/pool/main/m/milter-greylist/milter-greylist_4.2~b1-1.diff.gz
Here is a patch that is extracted from the above diff:
http://www.clear-code.com/~kou/patches/initfile.syntaxerror
Thanks,
--
kou