[CentOS] mixing MX and CNAME

Mon Feb 25 16:21:24 UTC 2013
Jerry Franz <jfranz at freerun.com>

On 02/25/2013 08:06 AM, aurfalien wrote:
> Hi,
>
> Has any one had problems with mail clients were your DNS is like this;
>
> doman.com	MX	50 mail.domain.com
> domain.com	MX	100	mail2.domain.com
>
> domain.com	CNAME	www.domain.com
>
>

The short answer is you can't do that and expect it to work because you 
can't mix CNAME and other types of records for a hostname. It is simply 
an invalid configuration at a DNS level.

Read http://en.wikipedia.org/wiki/CNAME_record#Restrictions

-- 
Benjamin Franz