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

[Tony Cratz]

On 03/16/2015 11:56 PM, Wes Hardaker wrote:
> 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
> 

	In all the years of be being a Sys. Admin., this issue has been
	very high on the problem list.

	I have gotten to the point where I refuse to ever use a CNAME.
	I wish that CNAME was never invented.


								Tony