diff --git a/src/lib/__tests__/push-background-task.test.ts b/src/lib/__tests__/push-background-task.test.ts
index b628ed9b..571973e0 100644
--- a/src/lib/__tests__/push-background-task.test.ts
+++ b/src/lib/__tests__/push-background-task.test.ts
@@ -10,10 +10,12 @@ vi.mock('../../api/jmap-client', () => ({
 vi.mock('../client-cert', () => ({ secureFetch: vi.fn(async () => ({ ok: false, status: 500 })) }));
 vi.mock('../oauth', () => ({ refreshOAuthAccessToken: vi.fn(async (t: unknown) => t) }));
 
+import AsyncStorage from '@react-native-async-storage/async-storage';
 import {
   matchAccountsForPush,
   parseRelayPushData,
   selectNotifiableEmails,
+  senderFaviconsAllowed,
 } from '../push-background-task';
 import type { Email } from '../../api/types';
 
@@ -88,3 +90,22 @@ describe('selectNotifiableEmails', () => {
     expect(out.map((e) => e.id)).toEqual(['a']);
   });
 });
+
+describe('senderFaviconsAllowed', () => {
+  const KEY = 'webmail:settings:v1';
+
+  it('follows the "Sender Favicons" setting the settings store persisted', async () => {
+    await AsyncStorage.setItem(KEY, JSON.stringify({ senderFavicons: false }));
+    expect(await senderFaviconsAllowed()).toBe(false);
+    await AsyncStorage.setItem(KEY, JSON.stringify({ senderFavicons: true }));
+    expect(await senderFaviconsAllowed()).toBe(true);
+  });
+
+  it('defaults to on like the store, but skips icons when the settings are unreadable', async () => {
+    await AsyncStorage.removeItem(KEY);
+    expect(await senderFaviconsAllowed()).toBe(true);
+    await AsyncStorage.setItem(KEY, '{not json');
+    expect(await senderFaviconsAllowed()).toBe(false);
+    await AsyncStorage.removeItem(KEY);
+  });
+});
diff --git a/src/lib/push-background-task.ts b/src/lib/push-background-task.ts
index 3e0b47a0..8ca29175 100644
--- a/src/lib/push-background-task.ts
+++ b/src/lib/push-background-task.ts
@@ -42,6 +42,7 @@ const EMAIL_PROPERTIES = [
 
 interface PushPersistedSettings {
   emailNotificationsEnabled?: boolean;
+  senderFavicons?: boolean;
 }
 
 async function emailNotificationsAllowed(): Promise<boolean> {
@@ -55,6 +56,20 @@ async function emailNotificationsAllowed(): Promise<boolean> {
   }
 }
 
+// The "Sender Favicons" setting covers notification icons as well as the
+// in-app avatars: with it off the tray shows initials, and the sender's domain
+// and the device's IP never reach the icon service. Off when unreadable.
+export async function senderFaviconsAllowed(): Promise<boolean> {
+  try {
+    const raw = await AsyncStorage.getItem(SETTINGS_STORAGE_KEY);
+    if (!raw) return true; // first launch: the store's default is on
+    const parsed = JSON.parse(raw) as PushPersistedSettings;
+    return parsed.senderFavicons !== false;
+  } catch {
+    return false;
+  }
+}
+
 interface ShowNotificationOptions {
   notificationId: string;
   title: string;
@@ -429,6 +444,7 @@ async function processAccountForPush(accountId: string, payload: RelayPushData):
 
   const groupKey = `bulwark-mail:${accountId}`;
   const groupTitle = payload.accountLabel ?? accountId.split('@')[0] ?? accountId;
+  const favicons = await senderFaviconsAllowed();
 
   // Oldest first so the newest ends up on top of the tray.
   const ordered = [...toNotify].sort(
@@ -442,7 +458,7 @@ async function processAccountForPush(accountId: string, payload: RelayPushData):
     const body = email.subject || '(no subject)';
     const initials = getEmailInitials(name, address);
     const bgColorHex = hslToHex(generateEmailAvatarColor(name, address));
-    const faviconDomain = getFaviconDomain(address);
+    const faviconDomain = favicons ? getFaviconDomain(address) : null;
     const iconUrl = faviconDomain ? getFaviconUrl(faviconDomain) : undefined;
 
     await native.showNotification({