Autor: Jakob Hirsch Data: A: exim users Assumpte: Re: [exim] Strange log entry about backup MX
Chris Wilson, 2010-06-16 14:24:
>> connected via the same physical network. Even in the very unlike case
>> that there is a transient problem at the time of the connection attempt
>> to the first address, which does not exist at the time of second
>> attempt, the delivery will be retried again, multiple times.
> How do you know whether or not they tried and failed to connect to the
> primary MX before hitting the backup?
I don't, but that doesn't matter.
> If you block them, as you said above, then what does it matter how many
> times they retry?
Because on the next delivery retry they will first try the first MX
again. Or did you think they would only retry the second MX?