DNS question, null MX records

Florian Weimer fweimer at bfk.de
Tue Dec 15 09:32:23 CST 2009


* Eric J. Esslinger:

> I found a reference to a null MX proposal, constructed so:
> example.com    IN    MX 0 .

I think this is quite controversal.  The best approach still seems to
be an SMTP rejecter on a dedicated IP address.

-- 
Florian Weimer                <fweimer at bfk.de>
BFK edv-consulting GmbH       http://www.bfk.de/
Kriegsstraße 100              tel: +49-721-96201-1
D-76133 Karlsruhe             fax: +49-721-96201-99




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