Emails being wrongly delivered after DNS change

[Stuart Swan]

> If you are on the system in question and inject mail locally, can you
> trace it?  The fact that you said that mail "vanishes" when you remove
> the local account may also point to CubeCart doing it's own local
> delivery.  Honestly, however, I'm thinking that Postfix is configured to
> do local delivery for the domain in question -- check the postmaster
> account or the deferred queue (also /etc/postfix/main.cf for local
> definitions).
>
> All I can really tell you definitively is that this does not appear to
> be a DNS related issue... you may want to find folks that are more
> familiar with Postfix and/or CubeCart.
>
> AlanC
>

Thanks guys, I think you're all correct, I had asked on two Postfix
lists/forums but haven't gotten a reply as yet. I'm not too sure how I
basically remove a specific domain from Postfix, thanks for all your
help!