snailmail/app/src/main/res/drawable-anydpi/spam_icon.xml

<vector xmlns:android="http://schemas.android.com/apk/res/android"
    android:width="24dp"
    android:height="24dp"
    android:viewportWidth="24"
    android:viewportHeight="24"
    android:tint="#000000"
    android:alpha="0.8">
  <path
      android:fillColor="@android:color/white"
      android:pathData="M15.73,3L8.27,3L3,8.27v7.46L8.27,21h7.46L21,15.73L21,8.27L15.73,3zM12,17.3c-0.72,0 -1.3,-0.58 -1.3,-1.3 0,-0.72 0.58,-1.3 1.3,-1.3 0.72,0 1.3,0.58 1.3,1.3 0,0.72 -0.58,1.3 -1.3,1.3zM13,13h-2L11,7h2v6z"/>
</vector>