>>>>> "Greg" == Greg Hackney <hackney@swbell.net> writes:

Greg> parent_domain_matches_subdomains (default: see postconf -d
Greg> output) What Postfix features match subdomains of
Greg> "domain.tld" automatically, instead of requiring an explicit
Greg> ".domain.tld" pattern. This is planned backwards
Greg> compatibility: eventually, all Postfix features are expected
Greg> to require explicit ".domain.tld" style patterns when you
Greg> really want to match subdomains.

Ah, I follow you now. Thanks!

--
Every time Bruce Schneier smiles, an amateur cryptographer dies.
(http://geekz.co.uk/schneierfacts/fact/55)