class="block">Close this mailbox.

 <p>
 After this operation, the mailbox will no longer be able to receive
 messages. Any delivered but as yet unretrieved messages can still be
 retrieved however.
 </p>

 <p>
 If there are links from this mailbox to other <a href="../../../../com/ericsson/otp/erlang/OtpErlangPid.html" title="class in com.ericsson.otp.erlang"><code>pids</code></a>,
 they will be broken when this method is called and exit signals with
 reason 'normal' will be sent.
 </p>

 <p>
 This is equi