 |  |
>>Sorry if this has been beaten to death on this list already...
Re: MX records and CNames?
From: billc@greenbuilder.com
Date: Saturday, March 25, 2000
Time: 11:01:00 pm
>>
>>Someone over on the SIMS list who usually knows what he's talking about
>>just stated that pointing MX records to CNames is a big time no-no, won't
>>work, half the net won't understand, is counter to DNS specs, etc etc.
>>
"Jerry Pasker-Systems Admin." <info@n-connect.net> wrote:
>
>You're wrong... CNAMES in MX records break things quite badly. I've run
>into it myself once and after trying to figure out why SOME (two acutally)
>mail servers were not being able to send mail to my domain, I traced it to
>me placing an MX record that pointed to a CNAME. It worked fine, until I
>changed the name of my mailserver, and without thinking about it, made a
>CNAME of the old server name point to the new name, without changing the MX
>records. At that point the MX records that once pointed at A records,
>were then aimed at CNAMES, and things started getting weird.
>
>This was before the days of DNS Expert of course.
>
>And, as usual, Mr Cole is right.
>
>-Jerry
Dang! Well, guess what I'll be doing for the next hour or so...
BC
Bill Christensen
billc@greenbuilder.com
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