While playing around with various list config settings, I added a Filter_Also='user@somehost' entry to the go.user file. ('user@somehost') is used here to replace the actual email address.) I expected mail from this address to be rejected, whether sent to a list, or to the server, and it was. But the message I got by sending the command "list" to the server was a bit odd: " The enclosed message, found in the LISTSERV mailbox and shown under the spool ID 0020 in the system log, has been identified as a possible delivery error notice for the following reason: mail origin seems to be a mailer. " ??? Mail sent to a list did produce an error message that let me know the address was filtered. Running Listserv 1.8d on Solaris 2.8 ------------------------------------------------------------ Dick Mead [log in to unmask] USC Listproc Site Manager University of Southern California http://www.usc.edu/isd/doc/maillists/