diff --git a/app/config.py b/app/config.py
index 33291e67..55e027bd 100644
--- a/app/config.py
+++ b/app/config.py
@@ -371,3 +371,5 @@ except Exception:
     COINBASE_YEARLY_PRICE = 30.00
 
 ALIAS_LIMIT = os.environ.get("ALIAS_LIMIT") or "100/day;50/hour;5/minute"
+
+ENABLE_SPAM_ASSASSIN = "ENABLE_SPAM_ASSASSIN" in os.environ
diff --git a/example.env b/example.env
index 12f80dad..a590709c 100644
--- a/example.env
+++ b/example.env
@@ -165,4 +165,7 @@ DISABLE_ONBOARDING=true
 # COINBASE_YEARLY_PRICE=30.00
 
 # set the frequency limit on alias creation
-# ALIAS_LIMIT = "100/day;50/hour;5/minute"
\ No newline at end of file
+# ALIAS_LIMIT = "100/day;50/hour;5/minute"
+
+# whether to enable spam scan using SpamAssassin
+# ENABLE_SPAM_ASSASSIN = 1
\ No newline at end of file