Setting up DNS to send mail to another server

I have a customer that host their website with me.  They do not want to use my server for their email, instead, they need a MX record pointing to a different IP address.  Currently, all email sent to them bouces.  Here is what I have setup:

@      14400      IN      SOA      ns3.hosting.com.      andy111.sympatico.ca.      (

                              2003112117

                              600

                              2H

                              4W

                              1D

                              )



customer.com.      14400      IN      NS      ns3.hosting.com.

customer.com.      14400      IN      NS      ns4.hosting.com.

customer.com.      14400      IN      NS      .

customer.com.      14400      IN      A      ###.67.248.107



localhost.customer.com.      14400      IN      A      127.0.0.1



customer.com.      14400      IN      MX      0      customer.com.



www      14400      IN      CNAME      customer.com.

ftp      14400      IN      A      ###.67.248.107

mail      14400      IN      A      ###.204.188.149

Am I missing something here?  Could it just be that DNS has not propagated all the way?

Thanks!
pharkAsked:
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jlevieCommented:
It looks to me like you want mail sent to  ###.204.188.149 which means that the MX should look like:

        IN MX 0 mail.customer.com.

As it is now mail will be sent to ###.67.248.107
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pharkAuthor Commented:
Your own the right track.  What I ended up doing was:

Changing the priorty to 10

customer.com.     14400     IN     MX     10     mail.customer.com.

and adding:

customer.com.     14400     IN     MX     100     customer.com.

The above changes worked.  Thanks for your input!
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