dkim-5----Page:15
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19
|
Three step discovery 1) policy = lookup (TXT, "_dkim.alice.example.com") IF policy <> NULL THEN RETURN policy 2) pointer = lookup (PTR, “alice.example.com") IF pointer == NULL THEN RETURN NULL 3) policy = lookup (TXT, "_dkim." + pointer) return policy To specify a wildcard use: *.example.com PTR _default.example.com |