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inet_interfaces = all
myhostname = mta1.dominio1.com
mydomain = dominio1.com
myorigin = $mydomain
mydestination = $mydomain
mynetworks = 10.10.n.0/24, 127.0.0.0/8, [::ffff:127.0.0.0]/104, [::1]/128
smtpd_recipient_restrictions = permit_sasl_authenticated,permit_mynetworks,reject_unauth_destination