On 14 Mar 2006, at 03:52, Jeff Lasman wrote:
> On Monday 06 March 2006 05:16 pm, Giuliano Gavazzi wrote:
>
>> Has anybody delivery problems to despammed.com?
>>
>> postmaster@???
>> SMTP error from remote mail server after RCPT
>> TO:<postmaster@???>:
>> host mail.despammed.com [65.112.71.26]: 550 5.7.1
>> <postmaster@???>... Relaying denied. IP name lookup failed
>> [81.174.30.132]
>>
>> I do not understand the reason, my DNS is fine and I tried three
>> times from three different domains.
>>
>> Any ideas? (apart from blacklisting them, for good measure)
>
> This is just a wag...
>
> Within the last week DNS Report started reporting using recursive
> nameservers as a FAIL condition.
>
> So many admins have turned off recursion on BIND.
>
> But many of those have forgotten to change their /etc/resolv.conf file
> to stop using those local nameservers for recursion.
>
> We've seen this a lot in the last few days. It may be what's
> happening
> for you.
that's a wag slightly wandering, as it points in two directions, but
very useful nevertheless! Thank you.
The problem could well be that despammed.com are being slightly
paranoid and refusing results from authoritative server that are also
recursive (my domain server are closed but my ISP ones are not, and
those are authoritative for my in-addr.arpa zones).
Or it could be that despammed mailserver uses nameservers that are
not recursing for them anymore, but I would exclude that, as they
would have problems with almost any peer.
So I pulled my ISP ears and see what will happen.
g
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