diff -ruNx CVS mail/postfix/Makefile.inc mystuff/mail/postfix/Makefile.inc
--- mail/postfix/Makefile.inc	Fri Feb 16 22:03:10 2007
+++ mystuff/mail/postfix/Makefile.inc	Mon Mar 19 09:43:13 2007
@@ -81,6 +81,9 @@
 MAKE_AUXLIBS+=	-L${LOCALBASE}/lib/db4 -ldb
 .endif
 
+post-patch:
+	@perl -pi -e 's|/cyrus/bin|${LOCALBASE}/libexec/cyrus-imapd|g' ${WRKSRC}/conf/master.cf
+
 do-configure:
 	@cd ${WRKSRC}; ${MAKE_PROGRAM} makefiles \
 		CC="${CC}" OPT="${CFLAGS}" DEBUG="${MAKE_DEBUG}" \