--- /dev/null
+DST := /etc/postfix
+
+INPUTS := \
+ main.cf \
+ master.cf \
+ postgrey_whitelist_clients.local \
+ postgrey_whitelist_recipients \
+ rbl_override \
+ mysql/relay_domains.cf \
+ mysql/virtual_alias_maps.cf \
+ mysql/virtual_domains_maps.cf \
+ mysql/virtual_mailbox_limits.cf \
+ mysql/virtual_mailbox_maps.cf
+
+OUTPUTS := $(INPUTS:%=$(DST)/%)
+
+all: $(OUTPUTS)
+
+$(DST)/%: configuration/%
+ @mkdir -p $(@D)
+ cp $^ $@