--- Makefile.orig	2012-11-18 13:29:16.000000000 +0200
+++ Makefile	2012-11-18 21:45:56.000000000 +0200
@@ -25,7 +25,8 @@
 PERMIT_DISTFILES_FTP =   Yes
 
 PSEUDO_FLAVORS =	no_eximon
-FLAVORS =		mysql postgresql sqlite3 ldap sasl
+#FLAVORS =		mysql postgresql sqlite3 ldap sasl
+FLAVORS =		mysql postgresql sqlite3 ldap sasl spf dlfunc alt-config-prefix disable-d-option disable-dkim
 FLAVOR ?=
 MULTI_PACKAGES =	-main -eximon
 
@@ -46,6 +47,31 @@
 EXIM_MAKECAT +=		"EXIM_MONITOR=eximon.bin\n"
 .endif
 
+.if ${FLAVOR:L:Mspf}
+EXIM_MAKECAT+= "EXPERIMENTAL_SPF=yes\n"
+EXIM_EXTRA_LIBS+= -L${LOCALBASE}/lib -lspf2
+EXIM_LDFLAGS+= -L${LOCALBASE}/lib -lspf2
+EXIM_CFLAGS+= -DSPF -I${LOCALBASE}/include
+LIB_DEPENDS-main += mail/libspf2
+.endif
+
+.if ${FLAVOR:L:Mdisable-dkim}
+EXIM_MAKECAT+= "DISABLE_DKIM=yes\n"
+.endif
+
+.if ${FLAVOR:L:Mdlfunc}
+EXIM_MAKECAT+= "EXPAND_DLFUNC=yes\n"
+EXIM_MAKECAT+= "EXTRALIBS+= -export-dynamic -rdynamic\n"
+.endif
+
+.if ${FLAVOR:L:Malt-config-prefix}
+EXIM_MAKECAT+= "ALT_CONFIG_PREFIX=${PKG_SYSCONFDIR}/configure\n"
+.endif
+
+.if ${FLAVOR:L:Mdisable-d-option}
+EXIM_MAKECAT+= "DISABLE_D_OPTION=yes\n"
+.endif
+
 .if ${FLAVOR:Mmysql}
 EXIM_MAKECAT +=		"LOOKUP_MYSQL=yes\n"
 EXIM_LOOKUP_INCLUDE +=	-I${LOCALBASE}/include/mysql