&gt; But at least Apple could warn the sender that it is unable to deliver the message to me, instead of silently dropping it!<p>It&#x27;s harsh, but this only happens if you don&#x27;t follow the instructions.<p>Deregister and turn off iMessage: <a href="https:&#x2F;&#x2F;selfsolve.apple.com&#x2F;deregister-imessage" rel="nofollow">https:&#x2F;&#x2F;selfsolve.apple.com&#x2F;deregister-imessage</a><p>If you follow this, you&#x27;ll never miss a message.