configuring dns/sendmail for two different servers

[Gregory Shapiro]

> I have a domain that I just transfered from dreamhost and there are  
> already some email accounts set up on it that are forwarded to gmail but  
> there are also other accounts that are local accounts.... my question is  
> there a easy way to say if it is not a local account forward/use as MX  
> gmail?

You can use aliases:

man aliases