[CentOS] Postfix - message queue filling with Host or name not found - try again

[Alan Hodgson]

On November 16, 2010 11:49:42 am Rob Kampen wrote:
> Hi list,
> I have noted over the last week or so my DNS servers are dumping lots of
> messages for bogus domain lookups. Examining the postfix queue with
> postqueue -p:  I see many
> (Host or domain name not found. Name service error for
> name=bdgiedjhea.po6e4ina.com type=MX: Host not found, try again)
>                                          Jake at bdgiedjhea.po6e4ina.com
> My question - why does this stay in the message queue - why not dumped
> back with message undeliverable or dropped?

It will be after 5 days or something. DNS errors get temp failed in case they 
start working again later. This is a good thing.