#define DELIVER_MUA_FAILED 2 /* Failure when mua_wrapper is set */
#define DELIVER_NOT_ATTEMPTED 3 /* Not tried (no msg or is locked */
-/* Returns from DNS lookup functions. */
+/* Returns from DNS lookup functions. Use dns_rc_names[] for debug strings */
enum { DNS_SUCCEED, DNS_NOMATCH, DNS_NODATA, DNS_AGAIN, DNS_FAIL };