Try self-hosted mail. The section on reporting spam <i>from</i> Yahoo conspicuously omits such options as submitting full headers to abuse or postmaster. Doing so in past (mutt, full headers) generates a &quot;you&#x27;re holding it wrong&quot; messagee.<p>This goes back years, I&#x27;ve not tried recently, status may have changed. But again, the long, long term experience has been pretty sour.