Mail refused by SORBS because it is considered dynamic IP??????

[John Rudd]

Though, even without "dsl" in the hostname, having the IP address in 
the hostname makes it look like a dialup/residential IP too.

(my local set up would block it for _either_ of those reasons, for 
example)


On May 12, 2006, at 9:11 AM, Michael Baird wrote:

> It is because of the reverse lookup name. Have your ISP put in a
> different reverse name for you mail server (have it match the forward
> even).
>
> nslookup 206.248.146.164
> Server:         64.112.192.34
> Address:        64.112.192.34#53
>
> Non-authoritative answer:
> 164.146.248.206.in-addr.arpa    name = 
> 206-248-146-164.dsl.teksavvy.com.
>
> It's silly, but having the string "dsl" in the reverse is why they are
> detecting it as a dialup/residential IP address (dul.dnsbl.sorbs.net).
>
> Regards
> Michael Baird
>
>> OK this is just not right!
>>
>> -----------------------
>>  Un problème de communication SMTP s'est produit avec le serveur de
>> messagerie du destinataire. Contactez votre administrateur système.
>>             <flexserv.flex.com #5.5.0 smtp;554 Service unavailable;
>> [206.248.146.164] blocked using dul.dnsbl.sorbs.net, reason: Dynamic 
>> IP
>> Addresses See: http://www.sorbs.net/lookup.shtml?206.248.146.164>
>> ----------------------
>>
>> We have had a static IP for 4 years now via our ISP on a DSL line....
>> now whats the diff if my ISP says its dynamic or not? How does sorbs
>> even tell this? Its not right to refuse email based on that it might 
>> be
>> a dynamic IP.....
>>
>> Has anyone seen this before??
>>
>> Any help appreciated...
>>
>> Thanks...
>>
>> -- 
>>
>> Rob Morin
>> Dido InterNet Inc.
>> Montreal, Canada
>> Http://www.dido.ca
>> 514-990-4444
>>
>>
>
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