Maintenance for the week of July 13:
• PC/Mac: No maintenance – July 13
The issues on the North American and European PlayStation® megaservers have been resolved at this time. If you continue to experience difficulties at login, please restart your client. Thank you for your patience!
Also, if you got any response and did not reply then they may have closed the ticket. iirc, replies state if there is no reply in X hours the ticket will be closed. Auto responses may fall into this bucket as well (idk).