[Dovecot] is reverse dns down ?

[Helga Mayer]

Quoting Stan Hoeppner <stan at hardwarefreak.com>:

> On 5/2/2011 6:30 AM, Voytek Eymont wrote:
>
>> # host  194.89.34.45
>> Host 45.34.89.194.in-addr.arpa. not found: 3(NXDOMAIN)
>
> ~$ host 194.89.34.45
> 45.34.89.194.in-addr.arpa domain name pointer mkentta.iki.fi.
>
> ~$ prdns.pl 194.89.34.45/32
> 194.89.34.45: mkentta.iki.fi
>
> ~$ rdns-tool.pl 194.89.34.45/32
> using mask 32
>    194.89.34.45: mkentta.iki.fi
>
> Looks like there's a DNS issue on your end.  Try flushing your  
> cache. For obvious reasons Postfix returns a 450 in this case, so  
> the list server will attempt delivery for a few days.
>
> If you don't run your own resolver on your Postfix MX I suggest you  
> do so.  I use PowerDNS recursor on my MX MTAs.  Works great.  Setup  
> takes less than 5 minutes.  Caching is in memory only, not disk, so  
> a restart clears everything.
>
> -- 
> Stan
>

got a mail from sonera today which says it's fixed.

Helga

Helga Mayer
Universität Hohenheim
Kommunikations-, Informations- und Medienzentrum (630)
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