not sending notification email to non-registered clients

[Karma]

On  Ticket departments » Support » Other Settings under Allowed submitters I've chosen "Only registered clients are allowed to open a new trouble tickets in this department"

When i upgraded  my Hostbill to the latest version earlier and tested it by sending an email to my support@domain.com there's no auto reply notification. Before, it auto-replies if the email address is not registered as a client and it would say :

Subject : Your Ticket was not opened

Your email to our support system could not be accepted as ticket because department you've sent email to is for registered customers only, and Your email was not recognized as our customer's one.

i tested the  "Send Email" under Ticket Department and the one on General Settings » Mail they're both working and sending emails like right away.

I also checked my System logs, error logs, ticket import log and email sent. i don't see anything related to my issue.

My head is exploding already. Please help

TIA.

[BRJP]

I have just tested and this worked fine for me when I switched from anyone to registered clients only.  I am using the latest version of HostBill.

Please ensure that you have ticketbounce in Emails (see attached) set to enabled in Settings - Email Templates.

[Karma]

Hi BRJP Thank you for you reply. Guess what?! something weird just happen. I tested again like 2 mins ago... AFTER i cleared my system logs. It worked! I don't have any explanation for that but... maybe... my system logs was full?    i really dunno.