[Postfix-es] No consigo hacer funcionar postgrey

[Listas]

grep postgrey /var/log/mail.log ...
May 29 17:07:20 afrodita postfix/smtpd[6997]: NOQUEUE: reject: RCPT from
unknown[63.86.220.114]: 450 <arnau en emergetux.net>: Recipient address
rejected: Greylisted for 300 seconds (see
http://isg.ee.ethz.ch/tools/postgrey/help/emergetux.net.html);
from=<equities en murity.com> to=<arnau en emergetux.net> proto=ESMTP
helo=<murity.com> 
May 29 17:07:20 afrodita postfix/smtpd[6997]: > unknown[63.86.220.114]: 450
<arnau en emergetux.net>: Recipient address rejected: Greylisted for 300
seconds (see http://isg.ee.ethz.ch/tools/postgrey/help/emergetux.net.html)

> Gracias, Laur en ..

Hola, he hecho lo que me comenta Arnau, si que hay rastro del postgrey en
los logs, pero todo lo que hay es esto, no hay nada del estilo que tiene
Arnau:
May 29 16:35:31 mail postgrey[12890]: Process Backgrounded
May 29 16:35:31 mail postgrey[12890]: 2006/05/29-16:35:31 postgrey (type
Net::Server::Multiplex) starting! pid(12890)
May 29 16:35:31 mail postgrey[12890]: Binding to TCP port 60000 on host
127.0.0.1
May 29 16:35:31 mail postgrey[12890]: Setting gid to "65534 65534"
May 29 16:35:31 mail postgrey[12890]: Setting uid to "109"

Bueeeenooo.. Parece que no hace nada verdad.. (trasiego de correo si que
hay)
Gracies..