Administrator's Guide - Kerio Software Archive

21.2 Message queue processingFrom, ToThe sender’s and recipient’s email addresses If the From field is empty, it is a DSN messagesent by Kerio MailServer.StatusStatus of the message (reason why the message has not been sent) is described in thiscolumn.Manipulating Messages in the Mail QueueYou can take the following actions using the buttons under the Mail Queue window:RefreshThe Mail Queue window is refreshed whenever a change occurs in the queue. You canalso use the Refresh button to do this manually.Remove messagesRemoves the selected message from the queue. Click this button to display a menu toselect messages to be deleted from the queue. You can delete only selected messages, allmessages or messages that meet specific criteria.Try to send nowAttempts to send the selected message immediately.Run QueueStarts sending messages from the queue.21.2 Message queue processingWhen processing the Mail Queue Kerio MailServer creates a new process for each message thatreports all actions (delivery to a local mailbox or a remote SMTP server, antivirus control, etc.)and then terminates. Several such processes can run simultaneously — that means that KerioMailServer can send more messages at one time. The maximum number of delivery taskscan be set in the Configuration/SMTP Properties section, the Options tab, Maximum number ofdelivery tasks parameter (the default value is 32).In the Status → Message Queue section on the Message Queue Processing tab you can viewthe active processes (when the process was created, which message is being processed, whichSMTP server it is being sent to, etc.) and check their status (antivirus control, sending, localdelivery, etc.).The individual columns in the Delivery Tasks window have the following meaning:IDA unique message identifier (corresponds with the message ID in the mail queue and thefilename in the mail/queue directory).237