Hi, When I some is subscribing they are not getting any response. It sending the error message as below what could be the problem. ============================error output================================================ he enclosed message, found in the LISTSERV mailbox and shown under the spool ID 2347783 in the system log, has been identified as a possible delivery error notice for the following reason: mail origin seems to be a LISTSERV server. ================error output end======================================================== Thanks Prakash -- This message (plus any attachments) is confidential and may be subject to lawyer-client privilege. Use without permission is strictly prohibited.