2493e729f4
Recursing public names in-cluster SERVFAILs a few percent of cold lookups and loses the cache on every restart, which breaks CI. DNSBLs refuse or poison queries relayed via public resolvers, so rspamd's RBL lookups must keep resolving directly. - add global forwarders 1.1.1.1 and 8.8.8.8 (forward first) to bind-resolvers - add empty-forwarder zones to the openforwarder view for the RBL domains rspamd queries, so they resolve iteratively Reviewed-on: #555 Co-authored-by: unkin-agent <unkin-agent@unkin.net> Co-committed-by: unkin-agent <unkin-agent@unkin.net>