On 10/15/2012 12:28 PM, Ryan Rawdon wrote: > > Is this the intended behavior of smtp_address_preference = any?
any really means any; there is no preference. All equal-weight MXs are randomized without regard to the address type. > If a machine is configured properly as single-stack IPv4 and > smtp_address_preference = ipv6, will this cause problems or will postfix > properly realize that IPv6 is not available and fall back to IPv4 (but prefer > IPv6 should it become available)? That won't cause any problems on single-stack machines. It may cause problems if IPv6 is present, but not configured (no connectivity), which is why it is no longer the default. -- Noel Jones
