[CentOS] Re: DKIM

mouss mouss at netoyen.net
Wed Sep 24 23:42:36 UTC 2008


Craig White wrote:
> On Wed, 2008-09-24 at 19:00 -0400, Bob Hoffman wrote:
>> And to follow up on the whole Domain keys.
>> I found at least 30 people online who have the same issue, but they have
>> working DKIMs but still being junked.
>>
>> Yea....yahoo...whee.
> ----
> well it's not just yahoo as I know for certain that AOL also requires
> reverse DNS to match just like all the mail servers that I maintain also
> require matching reverse DNS.
> 
> Your problem - if you actually want to solve it instead of tossing the
> blame to others like yahoo is...
> 
> # host mail.creativeprogramdesigners.com
> mail.creativeprogramdesigners.com has address 72.35.68.58
> 
> # host 72.35.68.58
> 58.68.35.72.in-addr.arpa domain name pointer
> creativeprogramdesigners.com.
> 
> the forward doesn't match the reverse - it's that simple. Why not just
> fix it?
> 

as already said, there is no need for name->ip->name to "match". 
so-called FcrDNS is ip->name->ip. and in Bob's case, it matches.


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