Add SPF config

root/etc/e-smith/templates/var/service/qpsmtpd/config/peers/0/30check_spf

@@ -0,0 +1,5 @@
+{
+    my $spf = $qpsmtpd{'CheckSPF'} || 'disabled';
+    return '' unless ($spf =~ m/^[012]$/);
+    return "sender_permitted_from spf_deny $spf";
+}

root/etc/e-smith/templates/var/service/tinydns/root/data/85Spf

@@ -0,0 +1,16 @@
+{
+  if (($qpsmtpd{RejectSpoofedLocalDomains} || 'disabled') eq 'enabled'){
+    $OUT .= "# SPF entries for local domains\n";
+    my $allowed = '';
+    foreach my $ip ( split /[;,]/, ($qpsmtpd{AllowedRemoteIP} || '')){
+      my $allowed .= 'ip4\072'.$ip.' ';
+    }
+    foreach my $domain (get_domains()){
+        $OUT .= "'$domain:v=spf1 mx $allowed-all:3600\n";
+        $OUT .= ":$domain:99:\041v=spf1 mx $allowed-all:3600\n";
+    }
+  }
+  else{
+    $OUT .= "\n";
+  }
+}