I configured Relay MTA for external delivery: 22.214.171.124 : 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 126.96.36.199[188.8.131.52] said: 550
email@example.com must check for new mail first (in reply to MAIL
Please tell me why and how to correct!