el día de ayer me dijeron que mi servidor de correo esta enviando spam, verificando los logs me doi cuenta que es cierto, quisiera saber como detenerlo, aqui les mando el log de /var/log/maillog mi ip es 200.87.120.74 from 200.87.120.74 temporarily deferred due to user complaints - 4.16.55.1; see <a href="http://postmaster.yahoo.com/421-ts01.html">http://postmaster.yahoo.com/421-ts01.html</a>) Feb 9 10:50:51 mail postfix/error[24025]: 4E7B812AE28: to=<<a href="mailto:tinyblueroses@yahoo.com">tinyblueroses@yahoo.com</a>>, relay=none, delay=53362, delays=52664/694/0/4.6, dsn=4.7.0, status=deferred (delivery temporarily suspended: host <a href="http://mta5.am0.yahoodns.net">mta5.am0.yahoodns.net</a>[98.139.175.225] refused to talk to me: 421 4.7.0 [TS01] Messages from 200.87.120.74 temporarily deferred due to user complaints - 4.16.55.1; see <a href="http://postmaster.yahoo.com/421-ts01.html">http://postmaster.yahoo.com/421-ts01.html</a>) Feb 9 10:50:51 mail postfix/error[23767]: 8D1D96679A0: to=<<a href="mailto:grangpadan9999@hawaii.rr.com">grangpadan9999@hawaii.rr.com</a>>, relay=none, delay=163742, delays=163539/201/0/1.3, dsn=4.7.1, status=deferred (delivery temporarily suspended: host <a href="http://hrndva-smtpin02.mail.rr.com">hrndva-smtpin02.mail.rr.com</a>[71.74.56.244] refused to talk to me: 554 5.7.1 - ERROR: Mail refused - <200.87.120.74> - See <a href="http://csi.cloudmark.com/reset-request/">http://csi.cloudmark.com/reset-request/</a>) mensajes como este los tengo en forma repetida. Saludos Francisco Peñaranda