Am 13.04.2014 10:34, schrieb Stan Hoeppner:
> On 4/12/2014 3:03 PM, li...@rhsoft.net wrote:
> 
>> but on the other what is that hard to have HELO/PTR/A matching?
> 
> This has been asked and answered multiple times on this list. The short
> answer is that customers of some ISPs do not have control of rDNS.  For
> a more thorough discussion of this topic please see the list archives

the real answer is that most do if they only would call their ISP but
don't care or lack basic knowledge, look at a recent thread where somebody
even had a webinterface to set a PTR and it took 15 messages to explain
him the relation between IP/PTR and A-record

if the ISP refuses to do that in most cases there are no servers allowed
with the existing contract and then they can't run a mailsevrer on that IP


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