On Mon, 16 Dec 2002, Martin Schmid wrote:

> Hello Davide,
>
> then I must say: it should check for an MX record. But it doesn't. I can
> see all DNS requests. Xmail doesn't request any MX record, only A
> records. If it gets a negative answer, it just rejects the attempt to
> send a mail without requesting the MX record at the DNS server. Maybe
> there's an explanation which I can't imagine so far ...
>
> I had to call the hoster and have a A record installed in order to
> reenable CheckMailerDomain.
>
> I will dig further by creating another domain with only an MX record.
> Hope to get more info.

XMail does a _full_ MX resolution. That means that for looking up the MX
records for meaw.com domain, it does :

.. type=ns
com. type=ns
meaw.com. type=ns
meaw.com. type=mx

Since name servers _are_ A records, this involves looking up A records
during the MX lookup.



- Davide

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