Email Issues.

Steve Sandau ssandau at
Thu Nov 4 03:31:43 UTC 2004

Kevin Darcy wrote:
> You seem to be making a big assumption that your problems sending mail 
> to "certain areas of the country" are caused by something wrong in the 
> DNS that you publish to the world. Doesn't it seem more likely that you 
> can't send to these domain because *their* DNS is screwed up or 
> otherwise unresolvable? Could you give an example of a domain you're 
> having trouble with? What makes you think that the trouble clusters 
> around "certain areas", as opposed to just being random?
>>Hello I am using Bind 4.9.5 I know I know I know. I am in the process of
>>updating these servers. I would however like to fix a problem before I
>>upgrade. I know I mentioned Email Issues in my Subject, but I really don't
>>think it is my mail servers. Basically I am having trouble sending to
>>certain areas of the country. I am not on RBL DSBL or any list for that
>>	I really think that something has changed and I can't put my finger
>>on it. My Primary DNS server is and my
>>secondary is I run two zones 209.38.128.xx
>>(255) and 206.83.107.xx (255) My mail servers are and
>> These DNS servers have been working perfectly and now all of
>>a sudden they aren't. I am not sure of what tests I can run to show
>>validity. I have gone to and it has given me some warn, but
>>fails. So I am really confused. 

Some mailservers may reject mail from you since does not 
appear to have a reverse mapping. When I ask for a name to go with the 
IP, I get 0 answers in the reply.

Steve Sandau

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