Re: Why qmail can not receive hotmail messages?

[Dave Sill]

Adam McKenna <[EMAIL PROTECTED]> wrote:

>On Thu, Sep 07, 2000 at 12:03:55PM +0200, Jost Krieger wrote:
>> 
>> And who says so? I'm sure every mailer SHOULD fall back to the A record,
>> but the RFCs don't demand it.
>
>RFC 974                                                     January 1986
>Mail Routing and the Domain System
>
>   It is possible that the list of MXs in the response to the query will
>   be empty.  This is a special case.  If the list is empty, mailers
>   should treat it as if it contained one RR, an MX RR with a preference
    ~~~~~~
>   value of 0, and a host name of REMOTE.
>
>Thanks for playing.

The RFC says "should" not "must" or "MUST", so Jost is correct: the
RFC's don't *demand* it.

But, again, in practice, mailers do treat empty MX's in the way the
RFC suggests. At least, I'm not aware of any that don't.

-Dave