Código: Seleccionar todo
smtpd_sender_restrictions = reject_unlisted_sender
smtpd_reject_unlisted_sender = yes
smtpd_recipient_restrictions = reject_non_fqdn_recipient, permit_sasl_authenticated, permit_mynetworks, reject_unauth_destination, reject_unlisted_recipient, reject_invalid_hostname, reject_non_fqdn_hostname, reject_non_fqdn_sender, reject_unknown_client, reject_unknown_hostname, reject_unknown_sender_domain, permit
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