Any sugesstion? ¿prog? netra2:/etc/mail# /usr/lib/sendmail -v [log in to unmask] listserv@services.qq.com... aliased to "|/opt/listserv/bin/lsv_amin -t listserv" qq . "|/opt/listserv/bin/lsv_amin -t listserv"... Connecting to prog... "|/opt/listserv/bin/lsv_amin -t listserv"... unknown mailer error 202 owner-listserv... aliased to "|/opt/listserv/bin/lsv_amin -t owner-listserv" "|/opt/listserv/bin/lsv_amin -t owner-listserv"... Connecting to prog... "|/opt/listserv/bin/lsv_amin -t owner-listserv"... unknown mailer error 202 MAILER-DAEMON... aliased to postmaster postmaster... aliased to root postmaster... aliased to root root... Connecting to local... 220 netra2 LMTP ready >>> LHLO www2.epp.net 250-netra2 250-8BITMIME 250-ENHANCEDSTATUSCODES 250 PIPELINING >>> MAIL From:<> 250 2.5.0 ok >>> RCPT To:<root> 250 2.1.5 ok >>> DATA 354 go ahead >>> . 250 2.1.5 root OK root... Sent Closing connection to local >>> QUIT 221 2.0.0 bye