RE: DNS MX records -- preference value

  • From: "Chris Chauv" <chrisc@xxxxxxxxxxxxxxxxxxxxx>
  • To: "[ExchangeList]" <exchangelist@xxxxxxxxxxxxx>
  • Date: Thu, 3 Oct 2002 13:58:32 -0700

I believe you do need a preference. Most, if not, all DNS servers have it 
stored in their tables whether you have one or multiple mail servers.

-----Original Message-----
From: Alfonso Lopez de Ayala [mailto:alopezdeayala@xxxxxxxxxxxx]
Sent: Thursday, October 03, 2002 1:54 PM
To: [ExchangeList]
Subject: [exchangelist] DNS MX records -- preference value


http://www.MSExchange.org/


Does anyone know if you MUST have the "preference" number in an MX record, or 
can it be omitted?

 

Is this OK:

 

company.com IN A 111.111.111.111

company.com IN MX company.com

 

or does it HAVE TO be like this:

 

company.com IN A 111.111.111.111

company.com IN MX 10 company.com

 

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