[Dovecot] is reverse dns down ?

Mon May 2 14:42:59 EEST 2011

Hi Voytek,

I am not having any problem:

# host mkentta.iki.fi
mkentta.iki.fi has address 194.89.34.45
mkentta.iki.fi mail is handled by 100 smtp.menturagroup.com.
mkentta.iki.fi mail is handled by 10 mkentta.iki.fi.

# host  194.89.34.45
45.34.89.194.in-addr.arpa domain name pointer mkentta.iki.fi.

Maybe it's a local problem with your NS server.

On 02/05/11 13:30, Voytek Eymont wrote:
> Hi guys, is that a genuine email from the list, I'm getting it rejected as
> it's missing reverse hostname:
>
> May  2 21:21:41 postfix/smtpd[18033]: NOQUEUE: reject: RCPT from
> unknown[194.89.34.45]: 450 4.7.1 Client host rejected: cannot find your
> reverse hostname, [194.89.34.45]; from=<dovecot-bounces at dovecot.org>
> to=<voytek at sbt.net.au>  proto=ESMTP helo=<mkentta.iki.fi>
>
> # host mkentta.iki.fi
> mkentta.iki.fi has address 194.89.34.45
> mkentta.iki.fi mail is handled by 10 mkentta.iki.fi.
> mkentta.iki.fi mail is handled by 100 smtp.menturagroup.com.
>
> # host  194.89.34.45
> Host 45.34.89.194.in-addr.arpa. not found: 3(NXDOMAIN)
>
>
>
>
>    

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