Comment 4 for bug 254681

The patch should be applied to debian's courier 0.60.0-1. I can patch it without problems:

[buster:~/dev/ubuntu/src/courier/tmp] nxvl$ ls
courier-0.60.0 courier_0.60.0-1.dsc courier_0.60.0.orig.tar.gz
courier_0.60.0-1.diff.gz courier_0.60.0-1ubuntu1.debdiff

[buster:~/dev/ubuntu/src/courier/tmp] nxvl$ patch -p0 < courier_0.60.0-1ubuntu1.debdiff
patching file courier-0.60.0/debian/courier-mlm.init
patching file courier-0.60.0/debian/courier-imap-ssl.init
patching file courier-0.60.0/debian/courier-imap.init
patching file courier-0.60.0/debian/courier-pop-ssl.init
patching file courier-0.60.0/debian/courier-mta-ssl.postinst
patching file courier-0.60.0/debian/courier-mta.postinst
patching file courier-0.60.0/debian/courier-pop.init
patching file courier-0.60.0/debian/courier-mta.init
patching file courier-0.60.0/debian/courier-pop-ssl.postinst
patching file courier-0.60.0/debian/courier-mta-ssl.init
patching file courier-0.60.0/debian/courier-pcp.init
patching file courier-0.60.0/debian/control
patching file courier-0.60.0/debian/changelog
patching file courier-0.60.0/debian/courier-ldap.init
patching file courier-0.60.0/debian/courier-imap-ssl.postinst
patching file courier-0.60.0/debian/po/cs.po
patching file courier-0.60.0/debian/po/pt_BR.po
patching file courier-0.60.0/debian/po/sv.po
patching file courier-0.60.0/debian/po/es.po
patching file courier-0.60.0/debian/watch