Re: no DNS records and mail stays in queue!!!

Juan Nin wrote:
> I've got 3 mails in queue with the following error:
>
> (Host or domain name not found. Name service error for
> name=clarionpunta.com type=MX: Host not found, try again)
>
>
> The thing is that there are not any valid records for that domain, so
> why do they stay in the queue, instead of being bounced back to the user??

"try again" is a temporary error (error code 4**), so it will be retried
until the expiration of maximal_queue_lifetime

this prevents you from bouncing mails based on temporary DNS lookup
failures.