Author: Jasen Betts Date: To: exim-users Subject: Re: [exim] End of the DNS MX record ?
On 2014-09-02, Always Learning <exim@???> wrote: >
> On Tue, 2014-09-02 at 10:50 -0400, Chris Siebenmann wrote:
>> They aren't redundant but they aren't necessary. The standard is that
>> you try the A record[*] if there is no MX record.
>> (This behavior is actually sometimes annoying, because it means that
>> there is no clean standards-compliant way of saying 'this machine exists
>> but you should never attempt mail delivery to it'. People often use
>> various bogus MX values for this purpose, like 'MX localhost.' or 'MX
> Away goes my latest quick check ............