Overview

Administrators can configure the Items Clean-Out feature which performs automatic user mailbox cleanup older than a specified time period, i.e. 30 days, to save space on the datastore disk.

Kerio Connect mailserver process runs the email account cleanup periodically based on message store size. Autodelete Clean-Out mails can be applied to Trash, Spam, Sent, and All folders (except Contacts and Notes).

The Item Clean-Out is looking at the date of the mails modification/manipulation, i.e. the timestamp when the email was moved to the folder, not the Creation date.

 

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Prerequisites and Considerations

Access to Kerio Connect Administration

If you do not want to lose any messages with the Clean-out, archive or back-up the datastore.

Diagnosis

The Items clean-out feature works like a scheduled task and does not clean all relevant items at once. By default, it is set up to clean-out only 1000 items per folder at once, so that server performance is not affected. Therefore, the actual clean-out can take a while for large email folders.

However, you can increase the limit to delete more items per folder at once by following the steps mentioned below:

1. Navigate to the Kerio Connect installation folder. The defaults are: 

   • Windows: C:\Program Files\Kerio\MailServer

   • macOS: /usr/local/kerio/mailserver

   • Linux: /opt/kerio/mailserver

2. Open the mailserver.cfg file.

3. Navigate to the <table name="MessageStore"> section.

4. Change the value (1000 in the example below) of the variable AutoDeleteFolderLimit, as shown in this example:

   <variable name="AutoDeleteFolderLimit">1000</variable>

   

 

Solution

Per-Domain Settings

1. In the administration interface, navigate to the Configuration > Domains section.
2. Double-click on a domain.
3. On the Messages tab, choose the folders for automatic clean-out and set the number of days.
4. Click OK.
   
   

 

Per-User Settings

 

By default, new users inherit settings from their domain. To change the settings for individual users, follow the steps mentioned below:

1. In the administration interface, navigate to the Accounts > Users section.
2. Double-click on a user.
3. Navigate to the Messages tab.
4. In the Items Clean-Out section, select the Use custom settings for this user option.
5. Select the folders for automatic clean-out and set the number of days.
6. Click OK.
   
   

 

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Confirmation

 Emails are being autodeleted based on time period.

 

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