On Fri, Feb 20, 2015 at 05:05:50PM -0600, Isaac Grover wrote:
> I am considering setting up a nolisting postfix server on a spare static IP
> so as to study the effects of nolisting for some heavy domains we host (3k
> total msgs/day, 200 legit). This server will sit at both the highest
> priority and the lowest priority, with the real MX in the middle.
>
> The nolisting spec says that nothing should answer on port 25 but I would
> like it to answer and respond with a "not available" error, so that I could
> compare connections between the nolisting MX and the actual MX.
>
> What would be the most effective configuration to accomplish this task?
smtpd_recipient_restrictions = defer
--
Viktor.
