#!/bin/bash echo 'Running amavis boot script' POSTFIX_MAIN_CF=/etc/postfix/main.cf POSTFIX_MASTER_CF=/etc/postfix/master.cf env_dump=$(printenv) AMAVIS_CONFIG_HEADER="# Amavis - dockermail - start" AMAVIS_CONFIG_FOOTER="# Amavis - dockermail - end" function remove_amavis () { # main.cf if grep -q "$AMAVIS_CONFIG_HEADER" "$POSTFIX_MAIN_CF"; then sed "/$AMAVIS_CONFIG_HEADER/,/$AMAVIS_CONFIG_FOOTER/d" "$POSTFIX_MAIN_CF" -i fi # master.cf sed '/^pickup/,/^cleanup/{//!d}' POSTFIX_MASTER_CF -i sed "/$AMAVIS_CONFIG_HEADER/,/$AMAVIS_CONFIG_FOOTER/d" POSTFIX_MASTER_CF -i } function add_amavis () { # main.cf if ! grep -q "$AMAVIS_CONFIG_HEADER" "$POSTFIX_MAIN_CF"; then echo "$AMAVIS_CONFIG_HEADER" >> "$POSTFIX_MAIN_CF" echo "content_filter = smtp-amavis:[amavis]:10024" >> "$POSTFIX_MAIN_CF" echo "$AMAVIS_CONFIG_FOOTER" >> "$POSTFIX_MAIN_CF" else echo "Warning: $POSTFIX_MAIN_CF already contains Amavis configuration, skipping" fi # master.cf if ! grep -q "$AMAVIS_CONFIG_HEADER" "$POSTFIX_MASTER_CF"; then sed "/^pickup.*/a \ -o content_filter= \n -o receive_override_options=no_header_body_checks/" POSTFIX_MASTER_CF -i echo "$AMAVIS_CONFIG_HEADER" >> POSTFIX_MASTER_CF echo "smtp-amavis unix - - - - 2 smtp" >> POSTFIX_MASTER_CF echo " -o smtp_data_done_timeout=1200" >> POSTFIX_MASTER_CF echo " -o smtp_send_xforward_command=yes" >> POSTFIX_MASTER_CF echo " -o disable_dns_lookups=yes" >> POSTFIX_MASTER_CF echo " -o max_use=20" >> POSTFIX_MASTER_CF echo "0.0.0.0:10025 inet n - - - - smtpd" >> POSTFIX_MASTER_CF echo " -o content_filter=" >> POSTFIX_MASTER_CF echo " -o local_recipient_maps=" >> POSTFIX_MASTER_CF echo " -o relay_recipient_maps=" >> POSTFIX_MASTER_CF echo " -o smtpd_restriction_classes=" >> POSTFIX_MASTER_CF echo " -o smtpd_delay_reject=no" >> POSTFIX_MASTER_CF echo " -o smtpd_client_restrictions=permit_mynetworks,reject" >> POSTFIX_MASTER_CF echo " -o smtpd_helo_restrictions=" >> POSTFIX_MASTER_CF echo " -o smtpd_sender_restrictions=" >> POSTFIX_MASTER_CF echo " -o smtpd_recipient_restrictions=permit_mynetworks,reject" >> POSTFIX_MASTER_CF echo " -o smtpd_data_restrictions=reject_unauth_pipelining" >> POSTFIX_MASTER_CF echo " -o smtpd_end_of_data_restrictions=" >> POSTFIX_MASTER_CF echo " -o mynetworks=127.0.0.0/8 amavis" >> POSTFIX_MASTER_CF echo " -o smtpd_error_sleep_time=0" >> POSTFIX_MASTER_CF echo " -o smtpd_soft_error_limit=1001" >> POSTFIX_MASTER_CF echo " -o smtpd_hard_error_limit=1000" >> POSTFIX_MASTER_CF echo " -o smtpd_client_connection_count_limit=0" >> POSTFIX_MASTER_CF echo " -o smtpd_client_connection_rate_limit=0" >> POSTFIX_MASTER_CF echo " -o receive_override_options=no_header_body_checks,no_unknown_recipient_checks" >> POSTFIX_MASTER_CF echo "$AMAVIS_CONFIG_FOOTER" >> POSTFIX_MASTER_CF else echo "Warning: $POSTFIX_MASTER_CF already contains Amavis configuration, skipping" fi } if [[ $env_dump =~ ^(.+AMAVIS)= ]] ; then if [ ! -z "${BASH_REMATCH[1]}" ]; then echo "AMAVIS env set, enabling email signing" add_amavis fi else echo "Cant find OPEN_DKIM env, signing will be disabled" remove_amavis fi echo 'Finished amavis boot script'