Re: [exim] Paging Marc Perkel: rDNS on junkemailfilter.com c…

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Autor: Marc Perkel
Data:  
A: Larry Rosenman
CC: exim-users, John W. Baxter
Assumpte: Re: [exim] Paging Marc Perkel: rDNS on junkemailfilter.com checking host(s)


Larry Rosenman wrote:
> On Thu, 9 Nov 2006, John W. Baxter wrote:
>
>
>> On 11/9/06 8:53 AM, "Larry Rosenman" <ler@???> wrote:
>>
>>
>>> Marc Perkel wrote:
>>>
>>>> Larry Rosenman wrote:
>>>>
>>>>> Marc Perkel,
>>>>>     Your junkemailfilter.com server that does the sender verify has
>>>>> what looks to be dynamic/generic rDNS.  This causes MY server to
>>>>> reject your sender verify:
>>>>> Nov  8 08:12:24 thebighonker exim[32310]: H=5.ctyme.com
>>>>> (pascal.ctyme.com) [69.50.231.5]:35579 I=[192.147.25.65]:25
>>>>> F=<sender-verify@???> rejected RCPT
>>>>> <ler@???>: EL: () in EL list

>>>>>
>>>>> Can you get the rDNS to be more legitimate?
>>>>>
>>>>> Thanks,
>>>>> Larry Rosenman
>>>>> (Sorry for taking THIS lists bandwidth, but I know Marc is on it, and
>>>>> I can't email him Directly because of this).
>>>>>
>>>>>
>>>> Well, the reverse lookup is 5.ctyme.com - I suppose I could change
>>>> that but why do you think it's dynamic?
>>>>
>>> Dynamic/Generic (I.E. it looks like just a generic place holder).
>>>
>> So would five.ctyme.com also trigger your filter, Larry (assuming that both
>> A and PTR were changed)? There isn't exactly a huge difference between the
>> names 5.cytime.com and five.cytime.com.
>>
> 1) the pattern *WAS* [0-9]+.ctyme.com
> 2) it's been removed.
>
>


That's interesting - where did this pattern [0-9]+.ctyme.com come from
originally?