Contact Details Not Working

Please can you check if these email addresses are wrong or if you have been hacked.<br> <br> How can you inbox be full at telkom for client queries? The below are some extracts for your IT Dept.<br> <br> I noted that these do not work and get the below error:<br> <br> , , Social Networks <br> <br> Delivery has failed to these recipients or groups:<br> <br> [Email Removed]<br> The recipient's mailbox is full and can't accept new messages at this stage. Message therefore not delivered. Please try resending this message later. [Telkom SA SOC Limited. Registration nr : ***]<br> <br> Original-Recipient: [Email Removed]<br> Final-Recipient: [Email Removed]<br> Action: failed<br> Status: 5.2.2<br> Diagnostic-Code: smtp;554-5.2.2 mailbox full<br> <br> <br> Content-Type: multipart/alternative; boundary=\001a114a8c***b3606de\"<br> Return-Path: [Email Removed]<br> <br> Sun, 07<br> MIME-Version: 1.0<br> Received: by 10.55.108.130 with HTTP