[vox-tech] some people can't send to list

Bill Kendrick nbs at sonic.net
Sat Mar 21 16:58:33 PDT 2015


Brian came over, I did the song & dance to gain access to the
account at domaindiscover aka tierra.net, and we fiddled with things.

How's it looking now?  (5:07pm pacific today will be approx 1hr after
the settings were chaged, FYI)

-bill!

On Mon, Mar 16, 2015 at 11:56:21PM -0700, Wes Hardaker wrote:
> Bill Kendrick <nbs at sonic.net> writes:
> 
> > On Mon, Feb 23, 2015 at 11:24:10AM -0800, Rod Roark wrote:
> >> On 02/23/2015 11:20 AM, Brian E. Lavender wrote:
> >> > Hey, so word is that some can't send email to the lugod lists because the
> >> > mailserver the MX record is a CNAME rather than an A record?
> >> >
> >> > brian
> >>
> >> Dunno who's administering the lugod.org domain, but whoever that is
> >> should be able to fix it.
> >
> > That'd be me.  Thx for looking into it folks, I'll try to figure
> > it out next time I'm on my home laptop (which has all the creds
> > to get into things).
> 
> Hiya.  DNS geek here.  Things are still technically incorrect as
> currently deployed.  You aren't supposed to have a name after a service
> referral (in this case an MX) that is itself a CNAME referral.
> 
> This is fine:
> 
>   # dig lugod.org mx
> 
>   ;; ANSWER SECTION:
>   lugod.org.              3600    IN      MX      10 www.lugod.org.
> 
> This is not:
> 
>   # dig www.lugod.org.
> 
>   ;; ANSWER SECTION:
>   www.lugod.org.          3600    IN      CNAME   lugod.org.
>   lugod.org.              3600    IN      A       173.13.165.50
> 
> *some* (most) DNS resolution software lets you get away with that, but
> it's not legal according to the DNS RFCs and shouldn't be done.
> 
> 
> The right thing to do would be to replace the MX record so it looked
> like this:
> 
>   lugod.org.              3600    IN      MX      10 lugod.org.
> 
> Which would then work.  Though, the best thing to do is actually create
> a new host record:
> 
>   lugod.org.              3600    IN      MX      10 mail.lugod.org.
>   mail.lugod.org.         3600    IN      A       173.13.165.50
> 
> :-)
> -- 
> Wes Hardaker                                     
> My Pictures:       http://capturedonearth.com/
> My Thoughts:       http://pontifications.hardakers.net/
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-- 
-bill!
Sent from my computer


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