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Re: Mailserver requirements
- From: Arnold Nipper
- Date: Mon Apr 05 17:56:43 2004
On 05.04.2004 23:42 Daniel Roesen wrote:
> On Mon, Apr 05, 2004 at 11:32:08PM +0200, Arnold Nipper wrote:
>
>>> I am surprised you don't have problems sending to AOL as well.
>>>They don't accept email from servers that do not have reverse addresses.
>>>I don't accept email from severs without reverse addressing.
>>
>>of course this server does have a reverse mapping. But this reverse
>>mapped doamin does not have an MX record.
>
>
> Does it have an A RR?
>
It also does have an A RR. And the forward mapping does also match the
IP address.
> Anyway... it's a heuristic which definately does give false positives.
> The only requirement is that IF a domain/host accepts mail there MUST be
> a postmaster@ address.
>
In this case the host *sends* mail ...
Arnold
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