diff --git a/scripts/build_trucking_campaigns.py b/scripts/build_trucking_campaigns.py
index fd34a72..7c0cc45 100644
--- a/scripts/build_trucking_campaigns.py
+++ b/scripts/build_trucking_campaigns.py
@@ -74,6 +74,13 @@ USABLE_FILTER = (
     "('smtp_valid','catch_all_domain','catch_all_detected'))"
 )
 
+BLOCKED_EMAIL_DOMAINS = (
+    "aol.com",
+    "yahoo.com",
+    "ymail.com",
+    "rocketmail.com",
+)
+
 DB_URL = os.getenv("DATABASE_URL", "")
 
 
@@ -229,10 +236,11 @@ def fetch_carriers(
         WHERE {type_filter}
           AND {USABLE_FILTER}
           AND listmonk_sent_at IS NULL
+          AND lower(split_part(email_address, '@', 2)) <> ALL(%s)
           AND phy_state IN ({states_placeholder})
         ORDER BY mcs150_parsed ASC NULLS LAST
         LIMIT %s
-    """, list(tz_states) + [limit])
+    """, [list(BLOCKED_EMAIL_DOMAINS)] + list(tz_states) + [limit])
     return cur.fetchall()