diff --git a/infra/postfix/pw-listmonk-rampcap.sh b/infra/postfix/pw-listmonk-rampcap.sh
index 0e441e7..8d08a8e 100755
--- a/infra/postfix/pw-listmonk-rampcap.sh
+++ b/infra/postfix/pw-listmonk-rampcap.sh
@@ -27,8 +27,13 @@ START=$(cat "$STATE"); NOW=$(date +%s); DAYS=$(( (NOW - START) / 86400 ))
 if   [ "$DAYS" -le 1 ];  then RATE=50
 elif [ "$DAYS" -le 3 ];  then RATE=150
 elif [ "$DAYS" -le 6 ];  then RATE=250
-elif [ "$DAYS" -le 13 ]; then RATE=400
-else RATE=500; fi
+# Recovery: Gmail began spam-blocking the warming IPs at 400/h on day 9
+# (2026-06-13) -- too aggressive, and the trucking pool lacks per-MX throttling
+# so Google-Workspace-hosted business domains concentrated. Hold at 200/h (~2k/day)
+# until reputation recovers and per-MX throttling is added to the trucking pool,
+# then step back up slowly.
+elif [ "$DAYS" -le 20 ]; then RATE=200
+else RATE=300; fi
 
 cd "$COMPOSE_DIR"
 psql() { PGPASSWORD=$PGPASSWORD docker compose exec -T -e PGPASSWORD=$PGPASSWORD api-postgres \