# MUY IMPORTANTE: Spamhaus no acepta peticiones a sus RBL desde servidores DNS públicos
# Necesario:
# apt-get install pdns-recursor
# Añadir a rc.local (si estamos en OpenVZ, si no simplemente editar el resolv.conf):
# echo "nameserver 127.0.0.1" > /etc/resolv.conf
# Añadir también el nameserver local a /var/spool/postfix/etc/resolv.conf:
# nano /var/spool/postfix/etc/resolv.conf
apt-get install postfix # elegir "internet site" durante la instalación
/etc/postfix/main.cf:
inet_protocols = ipv4
relay_domains = $mydestination, nyr.be
smtpd_recipient_restrictions =
permit_mynetworks
reject_rbl_client b.barracudacentral.org
reject_rbl_client zen.spamhaus.org
reject_unauth_destination
transport_maps = hash:/etc/postfix/transport
/etc/postfix/transport:
nyr.be smtp:g.99.yt
postmap /etc/postfix/transport
/etc/init.d/postfix restart
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