diff --git a/pycti/entities/opencti_user.py b/pycti/entities/opencti_user.py
index 1e1006d2..9386db38 100644
--- a/pycti/entities/opencti_user.py
+++ b/pycti/entities/opencti_user.py
@@ -785,6 +785,28 @@ def token_renew(self, **kwargs) -> Optional[Dict]:
             result["data"]["userEdit"]["tokenRenew"]
         )
 
+    def send_mail(self, **kwargs):
+        id = kwargs.get("id", None)
+        template_id = kwargs.get("template_id", None)
+        if id is None or template_id is None:
+            self.opencti.admin_logger.error(
+                "[opencti_user] Missing parameters: id and template_id"
+            )
+
+        self.opencti.admin_logger.info(
+            "Send email to user", {"id": id, "template_id": template_id}
+        )
+        input = {
+            "target_user_id": id,
+            "email_template_id": template_id,
+        }
+        query = """
+                mutation SendUserMail($input: SendUserMailInput!) {
+                    sendUserMail(input: $input)
+                }
+            """
+        self.opencti.query(query, {"input": input})
+
     def process_multiple_fields(self, data):
         if "roles" in data:
             data["roles"] = self.opencti.process_multiple(data["roles"])
diff --git a/pycti/utils/opencti_stix2.py b/pycti/utils/opencti_stix2.py
index 18189a80..e4959a9f 100644
--- a/pycti/utils/opencti_stix2.py
+++ b/pycti/utils/opencti_stix2.py
@@ -2646,6 +2646,18 @@ def element_remove_groups(self, item):
                 {"type": item["type"]},
             )
 
+    def send_email(self, item):
+        template_id = self.opencti.get_attribute_in_extension("template_id", item)
+        if template_id is None:
+            template_id = item["template_id"]
+        if item["type"] == "user":
+            self.opencti.user.send_mail(id=item["id"], template_id=template_id[0])
+        else:
+            raise ValueError(
+                "Not supported opencti_operation for this type",
+                {"type": item["type"]},
+            )
+
     def element_operation_delete(self, item, operation):
         # If data is stix, just use the generic stix function for deletion
         force_delete = operation == "delete_force"
@@ -2736,6 +2748,8 @@ def apply_opencti_operation(self, item, operation):
             self.element_add_groups(item)
         elif operation == "remove_groups":
             self.element_remove_groups(item)
+        elif operation == "send_email":
+            self.send_email(item=item)
         else:
             raise ValueError(
                 "Not supported opencti_operation",