> On Dec 10, 2018, at 7:23 PM, ben+postfix-us...@narcissus.net wrote:
>
> Scenario: a nameserver is misconfigured such that it doesn't set the
> "recursion available" (ra) bit on its replies. Postfix's relayhost has an A
> record but no MX record, and is specified in main.cf without [] bracke
Scenario: a nameserver is misconfigured such that it doesn't set the "recursion
available" (ra) bit on its replies. Postfix's relayhost has an A record but no
MX record, and is specified in main.cf without [] brackets around it.
What I see is that Postfix 2.6.6 looks up the MX record, receives a
