77 lines
3.4 KiB
Bash
77 lines
3.4 KiB
Bash
#!/bin/bash
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echo 'Running amavis boot script'
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POSTFIX_MAIN_CF=/etc/postfix/main.cf
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POSTFIX_MASTER_CF=/etc/postfix/master.cf
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env_dump=$(printenv)
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AMAVIS_CONFIG_HEADER="# Amavis - dockermail - start"
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AMAVIS_CONFIG_FOOTER="# Amavis - dockermail - end"
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function remove_amavis () {
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# main.cf
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if grep -q "$AMAVIS_CONFIG_HEADER" "$POSTFIX_MAIN_CF"; then
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sed "/$AMAVIS_CONFIG_HEADER/,/$AMAVIS_CONFIG_FOOTER/d" "$POSTFIX_MAIN_CF" -i
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fi
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# master.cf
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sed '/^pickup/,/^cleanup/{//!d}' POSTFIX_MASTER_CF -i
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sed "/$AMAVIS_CONFIG_HEADER/,/$AMAVIS_CONFIG_FOOTER/d" POSTFIX_MASTER_CF -i
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}
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function add_amavis () {
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# main.cf
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if ! grep -q "$AMAVIS_CONFIG_HEADER" "$POSTFIX_MAIN_CF"; then
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echo "$AMAVIS_CONFIG_HEADER" >> "$POSTFIX_MAIN_CF"
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echo "content_filter = smtp-amavis:[amavis]:10024" >> "$POSTFIX_MAIN_CF"
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echo "$AMAVIS_CONFIG_FOOTER" >> "$POSTFIX_MAIN_CF"
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else
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echo "Warning: $POSTFIX_MAIN_CF already contains Amavis configuration, skipping"
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fi
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# master.cf
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if ! grep -q "$AMAVIS_CONFIG_HEADER" "$POSTFIX_MASTER_CF"; then
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sed "/^pickup.*/a \ -o content_filter= \n -o receive_override_options=no_header_body_checks" $POSTFIX_MASTER_CF -i
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echo "$AMAVIS_CONFIG_HEADER" >> $POSTFIX_MASTER_CF
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echo "smtp-amavis unix - - - - 2 smtp" >> $POSTFIX_MASTER_CF
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echo " -o smtp_data_done_timeout=1200" >> $POSTFIX_MASTER_CF
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echo " -o smtp_send_xforward_command=yes" >> $POSTFIX_MASTER_CF
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echo " -o disable_dns_lookups=yes" >> $POSTFIX_MASTER_CF
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echo " -o max_use=20" >> $POSTFIX_MASTER_CF
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echo "0.0.0.0:10025 inet n - - - - smtpd" >> $POSTFIX_MASTER_CF
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echo " -o content_filter=" >> $POSTFIX_MASTER_CF
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echo " -o local_recipient_maps=" >> $POSTFIX_MASTER_CF
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echo " -o relay_recipient_maps=" >> $POSTFIX_MASTER_CF
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echo " -o smtpd_restriction_classes=" >> $POSTFIX_MASTER_CF
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echo " -o smtpd_delay_reject=no" >> $POSTFIX_MASTER_CF
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echo " -o smtpd_client_restrictions=permit_mynetworks,reject" >> $POSTFIX_MASTER_CF
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echo " -o smtpd_helo_restrictions=" >> $POSTFIX_MASTER_CF
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echo " -o smtpd_sender_restrictions=" >> $POSTFIX_MASTER_CF
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echo " -o smtpd_recipient_restrictions=permit_mynetworks,reject" >> $POSTFIX_MASTER_CF
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echo " -o smtpd_data_restrictions=reject_unauth_pipelining" >> $POSTFIX_MASTER_CF
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echo " -o smtpd_end_of_data_restrictions=" >> $POSTFIX_MASTER_CF
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# Using 24bit netmask on private ip range 172.x.x.x that Docker apparently uses
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echo " -o mynetworks=127.0.0.0/8,172.0.0.0/24" >> $POSTFIX_MASTER_CF
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echo " -o smtpd_error_sleep_time=0" >> $POSTFIX_MASTER_CF
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echo " -o smtpd_soft_error_limit=1001" >> $POSTFIX_MASTER_CF
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echo " -o smtpd_hard_error_limit=1000" >> $POSTFIX_MASTER_CF
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echo " -o smtpd_client_connection_count_limit=0" >> $POSTFIX_MASTER_CF
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echo " -o smtpd_client_connection_rate_limit=0" >> $POSTFIX_MASTER_CF
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echo " -o receive_override_options=no_header_body_checks,no_unknown_recipient_checks" >> $POSTFIX_MASTER_CF
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echo "$AMAVIS_CONFIG_FOOTER" >> $POSTFIX_MASTER_CF
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else
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echo "Warning: $POSTFIX_MASTER_CF already contains Amavis configuration, skipping"
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fi
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}
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if [[ $env_dump =~ ^(.+AMAVIS)= ]] ; then
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if [ ! -z "${BASH_REMATCH[1]}" ]; then
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echo "AMAVIS env set, enabling SPAM filter"
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add_amavis
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fi
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else
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echo "Cant find AMAVIS env, SPAM filter will be disabled"
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remove_amavis
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fi
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echo 'Finished amavis boot script'
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