당최... 알수가 없습니다...
telnet 218.148.8.219 smtp
telnet 218.148.8.219 pop3
위에 두개는 잘 실행 됩니다....
근데... 아이피로는잘되는데..... 그래서 도메인으로 한번 테스트를 해봤습니다...
그런데.... 서버에 연결할수가 없다고 나옵니다...
무엇이 잘못됐는지.. 도무지 알수가 없습니다...


Error Message : 550 Not Pop3 Before authentication

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