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jkullick/s25r-anti-spam-system-postfix.md

Last active January 17, 2017 15:14
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S25R Anti-Spam-System in Postfix
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s25r-anti-spam-system-postfix.md 
postconf -e "smtpd_client_restrictions = check_client_access regexp:/etc/postfix/client_restrictions"

cat > /etc/postfix/client_restrictions << EOF
/^(dhcp|dialup|ppp|adsl|pool)[^.]*[0-9]/  550 S25R6 check
EOF

postfix reload
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