I configured Relay MTA for external delivery: 126.96.36.199 : 25 to send mail from local user to yahoo or gmail. And this is Mail Delivery System and recive back when sending:
The mail system
: host 188.8.131.52[184.108.40.206] said: 550
firstname.lastname@example.org must check for new mail first (in reply to MAIL
Please tell me why and how to correct!