diff --git a/helpdesk/helpdesk/hooks/contact.py b/helpdesk/helpdesk/hooks/contact.py
index ac8d153a1..be4671c1f 100644
--- a/helpdesk/helpdesk/hooks/contact.py
+++ b/helpdesk/helpdesk/hooks/contact.py
@@ -24,3 +24,15 @@ def get_list_filters(query):
 		)
 
 		return query
+
+def before_insert(doc, method=None):
+	if doc.email_id:
+		domain = doc.email_id.split("@")[1]
+		hd_customers = frappe.get_all(
+			"HD Customer", filters={"domain": domain}, fields=["name"]
+		)
+		if hd_customers:
+			doc.append("links", {
+				"link_doctype": "HD Customer",
+				"link_name": hd_customers[0].name
+			})
\ No newline at end of file
diff --git a/helpdesk/hooks.py b/helpdesk/hooks.py
index 1550aad39..9145c47eb 100644
--- a/helpdesk/hooks.py
+++ b/helpdesk/hooks.py
@@ -44,6 +44,7 @@
 		],
 	},
 	"Contact": {
+		"before_insert": "helpdesk.helpdesk.hooks.contact.before_insert",
 		"on_trash": [
 			"helpdesk.helpdesk.doctype.hd_ticket.hd_ticket.update_ticket",
 		],