In the application web interface window, select the Message queue section.
The following information is displayed:
MTA queue, occupied. Cumulative size of messages in all Postfix queues and percentage of occupied disk space.
MTA queue, messages. Current total number of messages in all Postfix queues.
Anti-Spam Quarantine, occupied. Size of the Anti-Spam Quarantine and Anti-Spam Quarantine usage percentage relative to the maximum size set in the Anti-Spam module settings.
Anti-Spam Quarantine, messages. The current number of messages in Anti-Spam Quarantine.
KATA Quarantine, occupied. KATA Quarantine size and KATA Quarantine usage percentage compared to the maximum size defined in the KATA protection settings.
KATA Quarantine, messages. Current number of messages in KATA Quarantine.