title: How to block a particular jabber_id to a particular person in ejabberd?
body: <p>Hi i had installed ejabberd 16.04.43 in my server and its running as per as i needed.</p>
  
  <p>Now i got new requirement to block a particular person to a particular user</p>
  
  <p>Let me consider few users:</p>
  
  <pre><code>kandan
  cash
  mani
  kumar
  lokesh
  </code></pre>
  
  <p>Each of them has a particular jabber id in ejabberd and they interact with each other by using the command </p>
  
  <pre><code>add rosteritem
  </code></pre>
  
  <p>Now what i need is,</p>
  
  <pre><code> **kandan blocks cash** such that any further message from kandan to cash or from cash to kandan should not deliver each other , so can anyone tell me how to implement?
  </code></pre>
  
  <p>i installed with mod_block , but am no where nearby to answer what i expected..!!!</p>