1999-03-02 09:44:33 H=[V4NET.0.0.1] U=root sender verify fail for : 127.0.0.1 [127.0.0.1] : SMTP error from remote mail server after RCPT TO:: 550 Unknown user 1999-03-02 09:44:33 H=[V4NET.0.0.1] U=root F= rejected RCPT : Sender verify failed 1999-03-02 09:44:33 H=[V4NET.0.0.1] U=root sender verify defer for : Could not complete sender verify callout: 127.0.0.1 [127.0.0.1] : SMTP error from remote mail server after RCPT TO:: 450 Temporary error 1999-03-02 09:44:33 H=[V4NET.0.0.1] U=root F= temporarily rejected RCPT : Could not complete sender verify callout 1999-03-02 09:44:33 H=[V4NET.0.0.1] U=root sender verify fail for : 127.0.0.1 [127.0.0.1] : response to "MAIL FROM:<>" was: 550 Error for <> 1999-03-02 09:44:33 H=[V4NET.0.0.1] U=root F= rejected RCPT : Sender verify failed 1999-03-02 09:44:33 H=[V4NET.0.0.1] U=root sender verify fail for : 127.0.0.1 [127.0.0.1] : response to "MAIL FROM:<>" was: 550-Multiline error for <>\n550 Here's the second line 1999-03-02 09:44:33 H=[V4NET.0.0.1] U=root F= rejected RCPT : Sender verify failed 1999-03-02 09:44:33 H=[V4NET.0.0.3] U=root F= rejected RCPT : 127.0.0.1 [127.0.0.1] : SMTP error from remote mail server after RCPT TO:: 550 Recipient not liked 1999-03-02 09:44:33 H=[V4NET.0.0.3] U=root F= rejected RCPT : 127.0.0.1 [127.0.0.1] : SMTP error from remote mail server after RCPT TO:: 550-Recipient not liked on two lines\n550 Here's the second 1999-03-02 09:44:33 H=[V4NET.0.0.3] U=root F= temporarily rejected RCPT : Could not complete recipient verify callout 1999-03-02 09:44:33 10HmaX-0005vi-00 H=[V4NET.0.0.4] U=root F= rejected after DATA: there is no valid sender in any header line 1999-03-02 09:44:33 10HmaY-0005vi-00 H=[V4NET.0.0.4] U=root F= rejected after DATA: there is no valid sender in any header line 1999-03-02 09:44:33 H=[V4NET.0.0.5] U=root F= rejected RCPT : relay not permitted 1999-03-02 09:44:33 H=[V4NET.0.0.5] U=root sender verify fail for : 127.0.0.1 [127.0.0.1] : SMTP error from remote mail server after RCPT TO:: 550 Don't like postmaster 1999-03-02 09:44:33 H=[V4NET.0.0.5] U=root F= rejected RCPT : Sender verify failed 1999-03-02 09:44:33 H=[V4NET.0.0.3] U=root F= rejected RCPT : 127.0.0.1 [127.0.0.1] : SMTP error from remote mail server after RCPT TO:: 550 Recipient not liked 1999-03-02 09:44:33 H=[V4NET.0.0.1] U=root sender verify defer for : Could not complete sender verify callout: 127.0.0.1 [127.0.0.1] : Remote host closed connection in response to initial connection 1999-03-02 09:44:33 H=[V4NET.0.0.1] U=root F= temporarily rejected RCPT : Could not complete sender verify callout 1999-03-02 09:44:33 H=[V4NET.0.0.1] U=root sender verify defer for : Could not complete sender verify callout: 127.0.0.1 [127.0.0.1] : could not connect: Connection refused 1999-03-02 09:44:33 H=[V4NET.0.0.1] U=root F= temporarily rejected RCPT : Could not complete sender verify callout