diff --git a/FEATURES.md b/FEATURES.md
index ba9d3fa..46f8f03 100644
--- a/FEATURES.md
+++ b/FEATURES.md
@@ -1265,10 +1265,11 @@ Stalwart shows the server's English until it is translated.
 A tenant is a separate organisation on the same server — its own people,
 domains and limits, and an administrator who manages only what is in it. It is
 a Stalwart Enterprise feature. On a server that does not report Enterprise — or
-reports no edition at all — the page is only a notice that anyone inside a
-tenant has only an ordinary user's permissions: no list, no search, nothing to
-create. On Enterprise, for a role with `sysTenantQuery` and `sysTenantGet`,
-under Access:
+reports no edition at all — the page is only the notice *Tenants are a Stalwart
+Enterprise feature.*: no list, no search, nothing to create. On Enterprise the
+notice is left out, unless `SHOW_ENTERPRISE_NOTICES=1` asks for it above the
+list, as the public demo does. On Enterprise, for a role with `sysTenantQuery`
+and `sysTenantGet`, under Access:
 
 - **List and search** tenants, with each one's storage and account limit.
 - **Create and edit** a tenant's name, logo (an https address, drawn through the
@@ -1713,6 +1714,7 @@ wizard, because either would be state.
 | Variable | Default | Does |
 | --- | --- | --- |
 | `STALWART_URL` | — | Where Stalwart is; the JMAP session is discovered at `/.well-known/jmap` |
+| `SHOW_ENTERPRISE_NOTICES` | `0` | Say an Enterprise-only section (Tenants) is Enterprise-only even when the server is Enterprise. For a demo that reports Enterprise to show those sections; a real installation leaves it off |
 | `STALWART_ADMIN_URL` | — | Where a browser opens Stalwart's own administration, linked from the Administration dashboard. Separate from `STALWART_URL`, which is often an address only this server can reach; unset, the dashboard names Stalwart's administration without a link |
 | `APP_SECRET` | — | Key material for sealing sessions. **Required in production** — the server refuses to start without it |
 | `HOST` / `PORT` | `0.0.0.0` / `8080` | Listen address |
diff --git a/server/src/app.ts b/server/src/app.ts
index 5412386..a566947 100644
--- a/server/src/app.ts
+++ b/server/src/app.ts
@@ -896,7 +896,12 @@ function sessionExtras(session: LiveSession, info: AccountInfo = { locale: null,
        * session that may administer -- where the operator says its own
        * administration is.
        */
-      server: { edition: info.edition, adminUrl: administrationAllowed(config.administration, session.remember) ? adminUrlFor(session.username) : null },
+      server: {
+        edition: info.edition,
+        adminUrl: administrationAllowed(config.administration, session.remember) ? adminUrlFor(session.username) : null,
+        /** SHOW_ENTERPRISE_NOTICES: say "Enterprise feature" on Enterprise too, as the demo does. */
+        enterpriseNotices: config.showEnterpriseNotices,
+      },
       /**
        * Whether this session may administer: the installation offers it
        * (ADMINISTRATION) and the person signed in on a device marked as their own.
diff --git a/server/src/config.ts b/server/src/config.ts
index f9fc5d8..1bd9281 100644
--- a/server/src/config.ts
+++ b/server/src/config.ts
@@ -307,6 +307,13 @@ export const config = {
    */
   stalwartAdminUrl: process.env.STALWART_ADMIN_URL ? httpUrl(process.env.STALWART_ADMIN_URL, "STALWART_ADMIN_URL") : "",
   stalwartAdminUrls: stalwartServers.adminUrls,
+  /**
+   * Say that an Enterprise-only section is Enterprise-only even on an
+   * Enterprise server. Off, as a real installation wants it; the public demo
+   * turns it on, because it reports Enterprise to show those sections and
+   * should not suggest they come without the licence.
+   */
+  showEnterpriseNotices: bool("SHOW_ENTERPRISE_NOTICES", false),
   appSecret,
   trustProxy: bool("TRUST_PROXY", true),
   /**
diff --git a/web/src/jmap/types.ts b/web/src/jmap/types.ts
index a62d4f9..a210103 100644
--- a/web/src/jmap/types.ts
+++ b/web/src/jmap/types.ts
@@ -40,6 +40,8 @@ export interface JmapSession {
       edition?: string | null;
       /** Where Stalwart's own administration is (STALWART_ADMIN_URL), for a session that may administer. */
       adminUrl?: string | null;
+      /** SHOW_ENTERPRISE_NOTICES: an Enterprise-only section says so even on Enterprise. */
+      enterpriseNotices?: boolean;
     };
     /**
      * False when this session may not administer: the operator turned it off,
diff --git a/web/src/views/admin/TenantsAdmin.tsx b/web/src/views/admin/TenantsAdmin.tsx
index 4ce4276..dcaa6bb 100644
--- a/web/src/views/admin/TenantsAdmin.tsx
+++ b/web/src/views/admin/TenantsAdmin.tsx
@@ -18,14 +18,17 @@ const PAGE_SIZE = 50;
  * Tenants: separate organisations on one server, each with its own people,
  * domains and limits.
  *
- * The section is offered to whoever may read tenants, but on a server that does
- * not report Enterprise the page is only the notice: tenants there hold nobody
- * to anything beyond an ordinary user's permissions, so there is nothing worth
- * creating or listing. A server that reports no edition at all counts as not
- * Enterprise.
+ * The section is offered to whoever may read tenants. On a server that does not
+ * report Enterprise -- or reports no edition -- the page is only a notice that
+ * tenants are an Enterprise feature: tenants there hold nobody to anything
+ * beyond an ordinary user's permissions, so there is nothing worth creating or
+ * listing. On Enterprise the notice is left out, unless the installation asks
+ * for it (SHOW_ENTERPRISE_NOTICES), as the public demo does so as not to
+ * suggest tenants come without the licence.
  */
 export function TenantsAdmin({ selectedId }: { selectedId?: string }) {
   const edition = useSession((s) => s.session?.ihasmail?.server?.edition ?? null);
+  const notices = useSession((s) => s.session?.ihasmail?.server?.enterpriseNotices === true);
   if (edition !== "enterprise") {
     return (
       <div>
@@ -35,14 +38,19 @@ export function TenantsAdmin({ selectedId }: { selectedId?: string }) {
             <p className="lead">{t("Separate organisations on one server, each with its own people, domains and limits.")}</p>
           </div>
         </div>
-        <p className="admin-notice warn">{t("Tenants are a Stalwart Enterprise feature.")}</p>
+        <EnterpriseNotice warn />
       </div>
     );
   }
-  return <EnterpriseTenants selectedId={selectedId} />;
+  return <EnterpriseTenants selectedId={selectedId} notice={notices} />;
 }
 
-function EnterpriseTenants({ selectedId }: { selectedId?: string }) {
+/** Said on every Tenants page, Enterprise or not. */
+function EnterpriseNotice({ warn }: { warn: boolean }) {
+  return <p className={`admin-notice${warn ? " warn" : ""}`}>{t("Tenants are a Stalwart Enterprise feature.")}</p>;
+}
+
+function EnterpriseTenants({ selectedId, notice }: { selectedId?: string; notice: boolean }) {
   const [, navigate] = useLocation();
   const perms = usePermissions();
   const [text, setText] = useState("");
@@ -119,6 +127,8 @@ function EnterpriseTenants({ selectedId }: { selectedId?: string }) {
         )}
       </div>
 
+      {notice && <EnterpriseNotice warn={false} />}
+
       <div className="admin-toolbar">
         <label className="admin-search">
           <Search size={16} aria-hidden="true" />
diff --git a/web/src/views/admin/__tests__/tenants-admin.test.tsx b/web/src/views/admin/__tests__/tenants-admin.test.tsx
index 3998885..ec5eafc 100644
--- a/web/src/views/admin/__tests__/tenants-admin.test.tsx
+++ b/web/src/views/admin/__tests__/tenants-admin.test.tsx
@@ -18,8 +18,8 @@ vi.mock("@/lib/adminTenants", async (original) => ({
 const { TenantsAdmin } = await import("../TenantsAdmin");
 
 const PERMS = ["sysTenantGet", "sysTenantQuery", "sysTenantCreate"];
-const signIn = (edition: string | null) =>
-  useSession.setState({ session: { capabilities: {}, accounts: {}, primaryAccounts: {}, username: "a@example.com", ihasmail: { permissions: PERMS, server: { edition } } } as unknown as JmapSession });
+const signIn = (edition: string | null, enterpriseNotices = false) =>
+  useSession.setState({ session: { capabilities: {}, accounts: {}, primaryAccounts: {}, username: "a@example.com", ihasmail: { permissions: PERMS, server: { edition, enterpriseNotices } } } as unknown as JmapSession });
 
 /** Tenants are managed on Enterprise only; anywhere else the page is the notice and nothing more. */
 describe("the Tenants page", () => {
@@ -55,11 +55,37 @@ describe("the Tenants page", () => {
     });
   }
 
-  it("lists and offers tenants on Enterprise, without the notice", async () => {
+  it("lists and offers tenants on Enterprise, and does not say they are Enterprise", async () => {
     signIn("enterprise");
     await render();
-    expect(host.querySelector(".admin-notice.warn")).toBeNull();
+    expect(host.querySelector(".admin-notice")).toBeNull();
     expect(host.textContent).toContain("New tenant");
     expect(host.querySelector(".admin-table")?.textContent).toContain("Acme Corp");
   });
 });
+
+describe("the Tenants page where the installation asks for Enterprise notices", () => {
+  let host: HTMLDivElement;
+  let root: Root;
+  beforeEach(() => {
+    host = document.createElement("div");
+    document.body.appendChild(host);
+    root = createRoot(host);
+  });
+  afterEach(async () => {
+    await act(async () => root.unmount());
+    host.remove();
+  });
+
+  it("says tenants are Enterprise above the list, as the demo does", async () => {
+    signIn("enterprise", true);
+    const { hook } = memoryLocation({ path: "/admin/tenants" });
+    await act(async () => {
+      root.render(<Router hook={hook}><TenantsAdmin /></Router>);
+    });
+    await act(async () => {});
+    expect(host.querySelector(".admin-notice")?.textContent).toBe("Tenants are a Stalwart Enterprise feature.");
+    expect(host.querySelector(".admin-notice.warn")).toBeNull();
+    expect(host.querySelector(".admin-table")?.textContent).toContain("Acme Corp");
+  });
+});