RDNS can be only setup by your internet provider.
When this has been setup properly, you will have a PTR records hostname
pointing to your ip adress.

B/R
Ole J


> On Thu, Nov 19, 2009 at 10:31 AM, Kjetil Paulsen
> <[email protected]>wrote:
>
>> Hi
>>
>> I'm getting this from peple trying to send emails to my domains
>> (<dvfilsrv.dv.local #4.0.0 smtp;421 Refused. You have no reverse DNS
>> entry.>) - I've tried to read up on this and discussions on forums are
>> refering to a PTR record that has to be set, however I can't find this
>> setting in tools provided by domain registrar..
>>
>> Mxtoolbox also reports
>> 220 blue.jforce.no - Welcome to Qmail Toaster Ver. 1.2 SMTP Server ESMTP
>>
>> Not an open relay.
>>  0 seconds - Good on Connection time
>>  2.059 seconds - Good on Transaction time
>>  OK - 84.234.141.2 resolves to
>>  Warning - Reverse DNS does not match SMTP Banner
>>
>> Session Transcript:
>> HELO please-read-policy.mxtoolbox.com
>> 250 blue.jforce.no - Welcome to Qmail Toaster Ver. 1.2 SMTP Server [172
>> ms]
>> MAIL FROM: <[email protected]>
>> 250 ok [468 ms]
>> RCPT TO: <[email protected]>
>> 553 sorry, that domain isn't in my list of allowed rcpthosts (#5.5.3 -
>> chkuser) [1248 ms]
>> QUIT
>> 221 blue.jforce.no - Welcome to Qmail Toaster Ver. 1.2 SMTP Server [172
>> ms]
>>
>>
>> When I do a reverse lookup I get this:
>> ptr:84.234.141.2                    ptr
>>
>> Type    IP Address      Domain Name     TTL
>> PTR     84.234.141.2    2.84-234-141.customer.lyse.net  24 hrs
>>
>> This will not change I guess since I've got a static IP from Lyse.no...
>>
>> So I guess the question is, where do I put this information so that
>> email servers stops complaining? is it as easy as changing the banner?
>>
>>
> Kjeitil, maybe you are merging two problems here: Outgoing emails and
> incoming emails.
> If your server is refusing incoming emails complaining about missing rDNS,
> you should check the IP address of the sending server.
> If your server can't send emails to the world, then, you should modify
> your
> rDNS. You should talk to Lyse.net and ask for a rDNS. They are the
> authority
> for the rDNS zone.
> Natalio.
>
>
>
>> thx
>> /K
>>
>>
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>> www.vickersconsulting.com)
>>    Vickers Consulting Group offers Qmailtoaster support and
>> installations.
>>      If you need professional help with your setup, contact them today!
>>
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>>
>



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    Vickers Consulting Group offers Qmailtoaster support and installations.
      If you need professional help with your setup, contact them today!
---------------------------------------------------------------------------------
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      To unsubscribe, e-mail: [email protected]
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