[Proposed](u[rl)](https://github.com/k9mail/k9mail-docs/edit/stable/docs/en/settings/push.md) Fix: <activity android:name="com.fsck.k9.activity.MessageList" android:exported="true" android:launchMode="singleInstance" android:taskAffinity=""> <intent-filter> <action android:name="android.intent.action.MAIN"/> <category android:name="android.intent.category.DEFAULT"/> <category android:name="android.intent.category.LAUNCHER"/> <category android:name="android.intent.category.APP_EMAIL"/> <category android:name="android.intent.category.MULTIWINDOW_LAUNCHER"/> <category android:name="android.intent.category.PENWINDOW_LAUNCHER"/> </intent-filter> <intent-filter> <action android:name="android.intent.action.VIEW"/> <data android:scheme="k9mail" android:host="messages"/> <category android:name="android.intent.category.DEFAULT"/>
