diff --git a/backend/app/services/human_handoff_service.py b/backend/app/services/human_handoff_service.py
index fd4e61f..795516e 100644
--- a/backend/app/services/human_handoff_service.py
+++ b/backend/app/services/human_handoff_service.py
@@ -724,10 +724,9 @@ async def process_human_reply(
 def _mirror_from_identity(
     source: dict, agent_name: str, agent_email: str
 ) -> tuple[str, str]:
+    # Always send From the Gentic mailbox so SPF/DKIM/DMARC stay aligned.
     if source.get("direction") == "inbound":
-        sender = source.get("sender") or {}
-        address = (sender.get("address") or "").strip()
-        return sender_display_name(sender), address or agent_email
+        return sender_display_name(source.get("sender") or {}), agent_email
     return agent_name, agent_email
 
 
diff --git a/backend/tests/test_human_handoff_service.py b/backend/tests/test_human_handoff_service.py
index 11342e6..489af8f 100644
--- a/backend/tests/test_human_handoff_service.py
+++ b/backend/tests/test_human_handoff_service.py
@@ -72,21 +72,21 @@ def test_quote_trail_is_detected_in_forwarded_history():
     assert _body_has_quote_trail("sender: E", None) is False
 
 
-def test_mirror_from_uses_one_address_not_both():
+def test_mirror_from_stays_on_gentic_address():
     name, address = _mirror_from_identity(
         {
             "direction": "inbound",
             "sender": {
-                "name": "Suyash Dixit",
-                "address": "suyashdixit091@gmail.com",
+                "name": "Parth Dixit",
+                "address": "parthdixit091@gmail.com",
             },
         },
         "Suyash Dixit",
         "suyash@gentic.email",
     )
-    assert name == "Suyash Dixit"
-    assert address == "suyashdixit091@gmail.com"
-    assert "gentic.email" not in address
+    assert name == "Parth Dixit"
+    assert address == "suyash@gentic.email"
+    assert "gmail.com" not in address
 
     agent_name, agent_address = _mirror_from_identity(
         {"direction": "outbound", "sender": {"address": "suyash@gentic.email"}},
@@ -95,7 +95,6 @@ def test_mirror_from_uses_one_address_not_both():
     )
     assert agent_name == "Suyash Dixit"
     assert agent_address == "suyash@gentic.email"
-    assert "gmail.com" not in agent_address
 
 
 def test_private_subject_contains_customer_name_and_external_subject():