> It makes sence for all 'legit' email servers to have MX entries. This would > reduce some 'small' load on the DNS system if outbound email servers didn't > have to do multiple DNS requests to find a host. That's not true. If you do an MX request it would return something like this: # host -t mx peach.ease.lsoft.com peach.ease.lsoft.com mail is handled by 10 peach.ease.lsoft.com. Then you would still need to do an A request to find the IP address of the given host. Jasper