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DNS and MX records

daemon@ATHENA.MIT.EDU (Andrea Di Mento)
Sun Sep 15 10:13:15 1996

From: "Andrea Di Mento" <hoo@wms.it>
To: linux-net@vger.rutgers.edu
Date: 	Sun, 15 Sep 1996 15:14:41 +0000
Reply-to: hoo@wms.it

Mine is not a problem , just a doubt.
I 've implemented the DNS system on my network and everything
seems OK. My doubt is related just whit the MX records.
They seems like:
         IN             MX           100   xxx.xxx.xxx.xxx
         IN             MX           150   xxx.xxx.xxx.xxy
etc..
I 've read that xxx should be the primary E-mail server and xxy
the seconday and so on. 
So my doubt is : if xxx is down the mail should go to xxy.When xxx 
comes up , the E-mail is automatically forwarded to it or it remain 
on xxy ?

Andrea Di Mento

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