Author page: admin

IP Block Postfix sperren

smtpd_recipient_restrictions in der main.cf erweitern smtpd_recipient_restrictions= permit_mynetworks, permit_sasl_authenticated, reject_unauth_destination, reject_unauth_pipelining, reject_non_fqdn_recipient,     check_client_access cidr:/etc/postfix/ip-block   IP-Adressen in das…

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