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DNS question, null MX records

Subject: DNS question, null MX records
From: fweimer at bfk.de (Florian Weimer)
Date: Tue, 15 Dec 2009 15:32:23 +0000
In-reply-to: <D2D37F15EBBD524693E9F3CB32D02080DA9FE824@exchange.corp.fpu-tn.com> (Eric J. Esslinger's message of "Tue\, 15 Dec 2009 09\:17\:40 -0600")
References: <D2D37F15EBBD524693E9F3CB32D02080DA9FE824@exchange.corp.fpu-tn.com>

* 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/
Kriegsstra?e 100              tel: +49-721-96201-1
D-76133 Karlsruhe             fax: +49-721-96201-99

Follow-Ups:
- DNS question, null MX records
  - From: dot at dotat.at (Tony Finch)

References:
- DNS question, null MX records
  - From: eesslinger at fpu-tn.com (Eric J Esslinger)

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