We're running some exercises on a LISTSERV test box and I'm receiving the following messages in the LISTSERV logs: 2 Mar 2001 13:45:10 From [ANONYMOUS]@SOMEPIG.NET.NIH.GOV: X-LOGCK 42FB3B4E14724C 26CD AUTHINFO(128.231.201.32) WM: X-POST MQUEUE-L 2 Mar 2001 13:45:37 From [ANONYMOUS]@SOMEPIG.NET.NIH.GOV: X-LOGCK 42FB3B4E14724C 26CD AUTHINFO(128.231.201.32) WM: X-POST MQUEUE-L TO: *LIS (...) -> MAIL FROM:<[log in to unmask]> 550 5.7.1 Access denied -> MAIL FROM:<> 550 5.7.1 Access denied -> RCPT TO:<[log in to unmask]> 550 5.7.1 Access denied -> RCPT TO:<[log in to unmask]> 550 5.7.1 Access denied -> No recipient left, message aborted. -> MAIL FROM:<> 550 5.7.1 Access denied -> MAIL FROM:<> 550 5.7.1 Access denied -> MAIL FROM:<> 550 5.7.1 Access denied -> RCPT TO:<[log in to unmask]> 550 5.7.1 Access denied -> No recipient left, message aborted. 2 Mar 2001 13:45:37 Message forwarded to: > [log in to unmask] cc: [log in to unmask] Can someone help me troubleshoot this problem and where to look to correct it?