Third Party Relay Check RBL.JP第三者中継チェック RBL.JPThis service will check your server to see if it is possible for a third party to relay mail from your server. This service will test several techniques for sending relayed mail, but no mail will actually be sent to your server. If your server passes all tests performed by this serivice, no relays accepted in blue will be dispayed at the bottom of the output report. If any or all of the tests f
