/media/sda-magnetic/david/Dok-15-2023-11-27/fernuni-hagen/cs-i-ii/old-cs-2-01/informatik2/bash-programming/lex-yacc-bash-etc/maincf-bsp00003.txt

my_networks=
my_hostname=
smtpd_helo_required=yes

smtpd_client_restrictions
smtpd_recipient_restrictions
smtpd_sender_restrictions
smtpd_helo_restrictions
smtpd_etrn_restrictions
smtpd_data_restrictions
smtpd_end_of_data_restrictions

reject_unknown_client
reject_unknown_client_hostname
reject_unknown_reverse_client_hostname
reject_unknown_sender_domain
reject_unauth_pipelinig
check_policy_service
reject_non_fqdn_sender
reject_non_fqdn_recipient
reject_invalid_hostname
reject_unknown_helo_hostname