Originally Posted by vassilis3
ports are open
small note that if you use the ISPconfig Portscanner they always show open!
The sent problem could be an ISP that is blocking the ports
The receive problem could be a bad MX setup.
Did you have a look at your NS with www.dnsreport.com
(enter the domain in the DNS report box, and hit [DNS report] )
Post all (if any) FAIL's back here