The list it´s local. Only have @UAM.ES address. I suppose that the problem is between Listserv and sendmail because whith single address NEVER find User Unknow I´ll try to find a solution in LSTSRV-L Regards, At 09:26 17/05/00 -0400, Jacob Haller wrote: >This: > >>May 12 13:19:28 naranjo sendmail[1367]: NAA01328: >>to=<[log in to unmask]>, delay=00:00:12, mailer=local, stat=User >>unknown *****************>>>>>>>>!!!!!!!! Lost user > >indicates to me that it is sendmail that's trying to make the delivery and >is getting back a "user unknown" response (and hence it's not a problem >with LISTSERV). Since it's happening to consecutive users this indicates >a temporary problem which clears up by itself quickly. If this only >happens for users in a particular domain then I would suspect an >intermittant problem with their mail server; if not then perhaps there's a >problem with the sendmail installation whose log files you quote above. > >This discussion is probably more appropriate for LSTSRV-L (which is for >LISTSERV site managers). > >Thanks, >-- >Jacob Haller, Technical Support >L-Soft international, Inc >http://www.lsoft.com/ > -- ------------------------------------------------------------------------------------------- Mercedes Giménez Barrio e-mail: [log in to unmask] Servicio de Informática Phone: +34 91 397 51 53 Universidad Autónoma de Madrid Fax : +34 91 397 39 14 E-28049 Cantoblanco. España (SPAIN) -------------------------------------------------------------------------------------------