mail: add greyfix

Signed-off-by: Lucian Cristian <lucian.cristian@gmail.com>

mail/greyfix/Makefile

@@ -0,0 +1,46 @@
+#
+# Copyright (C) 2017 Lucian Cristian <lucian.cristian@gmail.com>
+#
+# This is free software, licensed under the GNU General Public License v2.
+# See /LICENSE for more information.
+#
+
+include $(TOPDIR)/rules.mk
+
+PKG_NAME:=greyfix
+PKG_VERSION:=0.4.0
+PKG_RELEASE:=1
+
+PKG_SOURCE_URL:=http://www.kim-minh.com/pub/greyfix
+PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
+PKG_HASH:=26013edce3a38d586282bfc22eb91bd22df54e3558ea1b3dae54d3e7a769e4fe
+
+MAINTAINER:=Lucian Cristian <lucian.cristian@gmail.com>
+PKG_LICENSE:=GPLv2
+
+PKG_BUILD_PARALLEL:=1
+
+include $(INCLUDE_DIR)/package.mk
+
+define Package/greyfix
+  SECTION:=mail
+  CATEGORY:=Mail
+  DEPENDS:=+libdb47
+  TITLE:=Greyfix - greylisting with Postfix.
+  URL:=http://www.kim-minh.com/pub/greyfix/
+endef
+
+define Package/greyfix/description
+	Greyfix is the greylisting policy daemon for Postfix written by Kim Minh Kaplan.
+endef
+
+CONFIGURE_ARGS += \
+	--localstatedir=/usr/lib \
+
+define Package/greyfix/install
+	$(INSTALL_DIR)  $(1)/usr/sbin \
+			$(1)/usr/lib/greyfix
+	$(CP) $(PKG_BUILD_DIR)/greyfix $(1)/usr/sbin/
+endef
+
+$(eval $(call BuildPackage,greyfix))