Re: Postfix IPv4 vs IPv6 preference inconsistent with smtp_address_preference = any

2012-10-15 Thread Wietse Venema
Ryan Rawdon: > Is this the intended behavior of smtp_address_preference = any? To ensure that mail does not get stuck for silly reasons, the Postfix SMTP client chooses the address family randomly IF MORE THAN ONE IS SUPPORTED. Background: Postfix will try only a limited number of IP addresses,

Re: Postfix IPv4 vs IPv6 preference inconsistent with smtp_address_preference = any

2012-10-15 Thread Noel Jones
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

Postfix IPv4 vs IPv6 preference inconsistent with smtp_address_preference = any

2012-10-15 Thread Ryan Rawdon
Hello list, Wietse: I will preface the below with the acknowledgement that this may look like a silly question being that my configurations have smtp_address_preference = any , which at face value indeed explains the behavior I am seeing -- I have an entirely dual-stack infrastructure and use