Leider hat dein tip auch nicht geholfen
Code:
smtpd_helo_required = yes
smtpd_helo_restrictions = check_client_access hash:/etc/postfix/gurkensysteme.hash
permit_mynetworks,
permit_sasl_authenticated,
reject_invalid_helo_hostname,
smtpd_sender_restrictions = check_client_access hash:/etc/postfix/gurkensysteme.hash
reject_non_fqdn_sender,
reject_unknown_sender_domain,
permit_mynetworks,
permit_sasl_authenticated
smtpd_recipient_restrictions = check_client_access hash:/etc/postfix/gurkensysteme.hash
reject_non_fqdn_recipient,
reject_unknown_recipient_domain,
permit_mynetworks,
permit_sasl_authenticated,
reject_unauth_destination,
reject_unlisted_recipient,
permit
smtpd_data_restrictions = check_client_access hash:/etc/postfix/gurkensysteme.hash
reject_multi_recipient_bounce,
reject_unauth_pipelining
[/code]