> On 11 Apr 2017, at 20:09, Florian Weimer <fwei...@redhat.com> wrote:
> 
>> On 04/11/2017 08:42 PM, Tony Finch wrote:
>> 
>> If you have a subdomain that needs to be a mail domain and a web site, you
>> need an MX pointing at your mail server and address records pointing at
>> your web server. You can't use a CNAME because they are usually different
>> servers.
> 
> That's not a problem, you can have MX records at the CNAME target.

That doesn't work if the web server is at 3rd party provider A but you want 
provider B's mail service not provider A's.

You might also have NAPTR records pointing at providers C and D.

Tony.
-- 
f.anthony.n.finch  <d...@dotat.at>  http://dotat.at


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