Kaspersky Secure Mail Gateway message queue

This section contains information on working with Kaspersky Secure Mail Gateway message queues, as well as information on how to sort and filter messages in queue, KATA Quarantine and Anti-Spam Quarantine, or search events by specific table columns based on the indicators you specify.

Enabling and disabling the transmission and reception of messages

To enable or disable transmission or reception of messages by the mail agent of Kaspersky Secure Mail Gateway:

1. In the main window of the application web interface, open the management console tree and select the Message Queue section.
2. In the upper part of the workspace:
   • Flip on the toggle switch next to the name of the Sending messages setting if you want to allow the forwarding of messages by the Kaspersky Secure Mail Gateway mail transfer agent.
   • Flip off the toggle switch next to the name of the Sending messages setting if you want to block the forwarding of messages by the Kaspersky Secure Mail Gateway mail transfer agent.

     If the Reject messages for unverified recipients (reject_unverified_recipient) parameter is set in advanced MTA settings, receipt of messages will also be disabled.

   • Flip on the toggle switch next to the name of the Receiving messages setting if you want to allow the receipt of messages by the Kaspersky Secure Mail Gateway mail transfer agent.
   • Flip off the toggle switch next to the name of the Receiving messages setting if you want to block the receipt of messages by the Kaspersky Secure Mail Gateway mail transfer agent.

Attention! These settings control transmission and reception of messages by the mail agent of Kaspersky Secure Mail Gateway.

Viewing information about the message queue, KATA Quarantine, and Anti-Spam Quarantine

To view information about the message queue, KATA Quarantine, and Anti-Spam Quarantine:

In the main window of the application web interface, open the management console tree and select the Message Queue section.

The following information is displayed:

• KATA Quarantine, size. The KATA Quarantine size and the KATA Quarantine usage percentage compared to the maximum size defined in the KATA protection settings.
• KATA Quarantine, messages. The current number of messages in KATA Quarantine.
• KATA checked, messages. The number of messages scanned in KATA during the past hour.
• KATA timed out, messages. The number of messages whose KATA scan queue time expired during the past hour. The maximum queue time for a KATA scan is set in the KATA protection settings.
• Anti-Spam Quarantine, size. The Anti-Spam Quarantine size and Anti-Spam Quarantine usage percentage compared to the maximum size is defined in the Anti-Spam Quarantine settings.
• Anti-Spam Quarantine, messages. The current number of messages in Anti-Spam Quarantine.
• MTA queue, messages. The current number of messages in queue.

Sorting messages in queue

To sort messages in queue:

1. In the main window of the application web interface, open the management console tree and select the Message Queue section.

   This opens a table of messages in the message queue, KATA Quarantine, and Anti-Spam Quarantine.

2. Click the button to the left of the name of the table column by which you want to sort messages. You can sort messages by one of the following indicators:
   • ID of the message in queue—Message ID in queue.
   • From—Message sender's address.
   • To—Message recipient's address.
   • Size – message size.
   • Received—Time at which messages arrive in queue.
   • Error—Message scan error.

To modify the sorting order for messages in queue,

click the or button to the left of the name of the table column whose message sorting order you want to modify.

Filtering and searching messages by queue name

To filter or search messages by queue name:

1. In the main window of the application web interface, open the management console tree and select the Message Queue section.
2. Click the Queue link to expand the list of queue names.
3. Select the check boxes next to the names of the queues in which you want to search for messages. You can select one or several of the following queues:
   • Deferred.
   • Active.
   • Inbound (Maildrop and Incoming queues).
   • Hold.
   • Anti-Spam Quarantine.
   • KATA Quarantine.
4. Click the Apply button.

A list of queued messages formed according to the filter criteria appears in the workspace of the Message Queue section in the main window of the Kaspersky Secure Mail Gateway web interface.

If the message search filter is not specified, the list shows all queued messages.

Filtering and searching messages by message ID in queue

To filter or search messages by message ID in queue:

1. In the main window of the application web interface, open the management console tree and select the Message Queue section.
2. Click the ID of the message in queue link to open the message filter configuration window.
3. In the ID field, enter several characters or all characters of the message ID in queue.
4. Click the Apply button.

A list of queued messages formed according to the filter criteria appears in the workspace of the Message Queue section in the main window of the Kaspersky Secure Mail Gateway web interface.

If the message search filter is not specified, the list shows all queued messages.

Filtering and searching messages by message sender's address

To filter or search messages by sender address:

1. In the main window of the application web interface, open the management console tree and select the Message Queue section.
2. Click the From link to open the message filter configuration window.
3. In the From field, enter several characters or all characters of the message sender's address.
4. Click the Apply button.

A list of queued messages formed according to the filter criteria appears in the workspace of the Message Queue section in the main window of the Kaspersky Secure Mail Gateway web interface.

If the message search filter is not specified, the list shows all queued messages.

Filtering and searching messages by message recipient's address

To filter or search messages by recipient address:

1. In the main window of the application web interface, open the management console tree and select the Message Queue section.
2. Click the To link to open the message filter configuration window.
3. In the To field, enter several characters or all characters of the message recipient's address.
4. Click the Apply button.

A list of queued messages formed according to the filter criteria appears in the workspace of the Message Queue section in the main window of the Kaspersky Secure Mail Gateway web interface.

If the message search filter is not specified, the list shows all queued messages.

Filtering and searching messages by time of message arrival in queue

To filter or search messages by time of message arrival in queue:

1. In the main window of the application web interface, open the management console tree and select the Message Queue section.
2. Click the Received link to expand the list of message search periods.
3. Select one of the following periods:
   • Last hour
   • Last day
   • Last week
   • Custom
4. If you chose a custom period for searching messages:
   1. In the calendar that opens, specify the start and end dates of the period during which messages arrived in queue.
   2. Click the Apply button.

      The calendar closes.

A list of queued messages formed according to the filter criteria appears in the workspace of the Message Queue section in the main window of the Kaspersky Secure Mail Gateway web interface.

If the message search filter is not specified, the list shows all queued messages.

Forced delivery and removal of messages from the queue

To forcedly send or remove messages from the queue of the MTA:

1. In the main window of the application web interface, open the management console tree and select the Message Queue section.
2. View the list of queued messages in the workspace.
3. To the left of the queue type name, select check boxes next to the messages that you want to process.
4. Click one of the following buttons on the toolbar in the upper part of the workspace:
   • Flush, if you want to forcedly send the selected messages.
   • Flush all, if you want to forcedly send all messages.

Frequent attempts to deliver undelivered messages out of turn affect the speed with which the other messages are sent.

• Delete, if you want to delete the selected messages.
• Delete all, if you want to delete all messages.

The operation of removing all messages from the queue permanently removes all data from the queue, including messages that have been received but not processed yet.

In the event of forced delivery of messages from the KATA Quarantine queue, messages will invariably be scanned in Kaspersky Anti Targeted Attack Platform but Kaspersky Secure Mail Gateway will not wait for the result from scanning these messages. These messages will not be displayed in the scan queue.