postfix(送信規制)

◻️以下のpostfixの追記を行う。

======/etc/postfix/main.cf=========================

# local send mail only

check_local_only = check_recipient_access hash:/etc/postfix/local_domains,reject

check_sender_restriction = check_sender_access hash:/etc/postfix/restricted_senders

smtpd_sender_restrictions = check_sender_access hash:/etc/postfix/restricted_senders

smtpd_restriction_classes = local_only

local_only = check_recipient_access hash:/etc/postfix/local_domains,reject

============================================

vi /etc/postfix/restricted_senders
=======restricted_senders=======

test1@digihide.local  local_only

============================

/etc/postfix/local_domains

=====local_domains======

digihide.local OK

======================

◻️MAPを更新する。

# postmap /etc/postfix/restricted_senders
# postmap /etc/postfix/local_domains 

◻️postfixのサービスを再起動を行う

systemctl restart posrfix

◻️以下、編集する。

/etc/postfix/master.cf

========================================

smtp      inet  n       -       n       -       -        smtpd 

#smtp      inet  n       -       n       -       1       postscreen

#smtpd     pass  -       -       n       -       -       smtpd

#dnsblog   unix  -       -       n       -       0       dnsblog

#tlsproxy  unix  -       -       n       -       0       tlsproxy

#submission inet n       -       n       -       -       smtpd

#  -o syslog_name=postfix/submission

#  -o smtpd_tls_security_level=encrypt

#  -o smtpd_sasl_auth_enable=yes

#  -o smtpd_reject_unlisted_recipient=no

#  -o smtpd_client_restrictions=$mua_client_restrictions

#  -o smtpd_helo_restrictions=$mua_helo_restrictions

#  -o smtpd_sender_restrictions=$mua_sender_restrictions

#  -o smtpd_recipient_restrictions=permit_sasl_authenticated,reject

#  -o milter_macro_daemon_name=ORIGINATING

smtps     inet  n       -       n       -       -       smtpd 

#  -o syslog_name=postfix/smtps

   -o smtpd_tls_wrappermode=yes

   -o smtpd_sasl_auth_enable=yes

#  -o smtpd_reject_unlisted_recipient=no

#  -o smtpd_client_restrictions=$mua_client_restrictions

#  -o smtpd_helo_restrictions=$mua_helo_restrictions

   -o smtpd_restriction_classes=local_only

   -o local_only=${check_local_only}

   -o smtpd_sender_restrictions=${check_sender_restriction}

   -o smtpd_recipient_restrictions=permit_sasl_authenticated,reject

#  -o milter_macro_daemon_name=ORIGINATING

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