81 lines
3.3 KiB
Bash
81 lines
3.3 KiB
Bash
#!/bin/bash
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# Healthcare Postfix bounce watcher -> listmonk-hc webhook.
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# Parallel to the trucking pw-bounce-watcher, but scoped to the HEALTHCARE HOT
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# stream: it tracks the hc sender (compliance@performancewest.net) and the
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# hcout1/2/3 transports, and reports bounces to listmonk-hc (:9101).
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#
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# Install: /usr/local/bin/postfix-hc-bounce-notify.sh
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# Service: /etc/systemd/system/pw-hc-bounce-watcher.service
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#
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# Bounce policy is set in listmonk-hc settings (bounce.actions): a single hard
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# bounce or complaint -> blocklist; soft bounces tracked. This keeps the warming
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# hc IPs clean by suppressing dead/complaining addresses immediately.
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LOG=/var/log/mail.log
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API="http://localhost:9101"
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TOKEN_FILE=/opt/performancewest/.secrets/hc-listmonk-token
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TOKEN="$(cat "$TOKEN_FILE" 2>/dev/null)"
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AUTHHDR="Authorization: token api:${TOKEN}"
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# hc campaign senders
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HC_SENDER1="from=<compliance@performancewest.net>"
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get_campaign_uuid() {
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curl -s -H "$AUTHHDR" "$API/api/campaigns?status=running&per_page=1" 2>/dev/null \
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| grep -oP '"uuid":"[^"]*"' | head -1 | cut -d'"' -f4
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}
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declare -A HC_QIDS
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CURRENT_UUID=""
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REMOVED_COUNT=0
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post_bounce() {
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local rcpt="$1" btype="$2" qid="$3"
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[ -z "$CURRENT_UUID" ] && CURRENT_UUID=$(get_campaign_uuid)
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local uuid_field=""
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[ -n "$CURRENT_UUID" ] && uuid_field=", \"campaign_uuid\": \"$CURRENT_UUID\""
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curl -s -H "$AUTHHDR" -X POST "$API/webhooks/bounce" \
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-H "Content-Type: application/json" \
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-d "{\"email\": \"$rcpt\", \"source\": \"postfix\", \"type\": \"$btype\"$uuid_field}" \
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>/dev/null 2>&1
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logger -t hc-bounce-notify "$btype bounce: $rcpt (qid=$qid, campaign=$CURRENT_UUID)"
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}
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tail -F "$LOG" 2>/dev/null | while IFS= read -r line; do
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# Track queue IDs that originate from the hc sender OR go out an hcout transport.
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if echo "$line" | grep -q "$HC_SENDER1"; then
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QID=$(echo "$line" | sed -n 's/.*postfix\/[a-z0-9]*\[\([0-9]*\)\]: \([A-Z0-9]*\):.*/\2/p')
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[ -n "$QID" ] && HC_QIDS[$QID]=1
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fi
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if echo "$line" | grep -qE "postfix/hcout[123]/"; then
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QID=$(echo "$line" | sed -n 's/.*postfix\/[a-z0-9]*\[\([0-9]*\)\]: \([A-Z0-9]*\):.*/\2/p')
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[ -n "$QID" ] && HC_QIDS[$QID]=1
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fi
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# Hard bounce
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if echo "$line" | grep -q "status=bounced"; then
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QID=$(echo "$line" | sed -n 's/.*postfix\/[a-z0-9]*\[\([0-9]*\)\]: \([A-Z0-9]*\):.*/\2/p')
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RCPT=$(echo "$line" | sed -n 's/.*to=<\([^>]*\)>.*/\1/p')
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if [ -n "$QID" ] && [ -n "$RCPT" ] && [ -n "${HC_QIDS[$QID]+x}" ]; then
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post_bounce "$RCPT" "hard" "$QID"
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unset HC_QIDS[$QID]
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fi
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fi
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# Soft bounce that's actually a permanent 5xx
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if echo "$line" | grep -q "status=deferred" && echo "$line" | grep -qE "said: 5[0-9][0-9]"; then
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QID=$(echo "$line" | sed -n 's/.*postfix\/[a-z0-9]*\[\([0-9]*\)\]: \([A-Z0-9]*\):.*/\2/p')
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RCPT=$(echo "$line" | sed -n 's/.*to=<\([^>]*\)>.*/\1/p')
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if [ -n "$QID" ] && [ -n "$RCPT" ] && [ -n "${HC_QIDS[$QID]+x}" ]; then
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post_bounce "$RCPT" "soft" "$QID"
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fi
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fi
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# Cleanup queue IDs as they leave the queue
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if echo "$line" | grep -q "removed$"; then
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QID=$(echo "$line" | sed -n 's/.*postfix\/[a-z0-9]*\[\([0-9]*\)\]: \([A-Z0-9]*\):.*/\2/p')
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[ -n "$QID" ] && unset HC_QIDS[$QID] 2>/dev/null
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REMOVED_COUNT=$((REMOVED_COUNT + 1))
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[ $((REMOVED_COUNT % 100)) -eq 0 ] && CURRENT_UUID=$(get_campaign_uuid)
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fi
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done
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