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Automatic Junk E-mail Folder Cleanup

Alexander Zammit

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Alexander Zammit has been developing server applications for over 15 years. Most of his works involve Exchange integrated applications, including a FAX server, a mail security product and anti-spam products.

  • Published: Nov 23, 2005
  • Category: Anti-Spam
  • Votes: 5.0 out of 5 - 9 Votes
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The Junk E-mail folder is a great spam filtering tool. Unfortunately many users forget emptying it, enabling spam to waste valuable storage space. Luckily automatic Junk E-mail cleanup is available, ready to be enabled.

  1. The Folder Retention Settings dialog opens, configure this as follows:

    Folder Retention Settings

    • Folder: Junk E-mail

    • Select the Age Limit checkbox and set the days to: 30

    • Clear the Message Size checkbox

    With these settings we are simply instructing the Mailbox Manager to clear all spam older than 30 days without any regard to message size. You may want to reduce/increase the retention period as necessary. My idea is that an e-mail, even if legitimate, is of little value if read one month late. Of course here you have to strike a balance.

  2. Click OK to add the Junk E-mail folder settings.

  3. In the list of folders we now simply clear all checkboxes, except for the one just created.

  4. Mailbox users may be kept informed of the policy functionality by enabling the 'Send notification mail to user after processing' checkbox. In this way users may also be reminded to verify the Junk E-mail folder content.

  5. Exclusion of specific message classes is also possible. Still this is not relevant to Junk E-mail folder processing. Thus enabling this option is unnecessary.

  6. Click OK to save the new policy.

At this point you may want to create other Mailbox Manager policies. This is especially useful when different Junk E-mail retention settings are necessary. In this case, keep in mind that a mailbox is only processed by one Mailbox Manager Policy.

Once the policies are configured, the Mailbox Manager must be enabled. This is done through the Exchange server object as follows:

  1. Open the server properties from:
    <Organization> | Servers | <Server Name>

    Server Mailbox Management Enablement

  2. Select the Mailbox Management page.

  3. Specify the processing schedule through the 'Start mailbox management process' combo-box. In this case we go for 'Run Saturday at Midnight'.

  4. Under Reporting we specify 'Send detail report to administrator'

  5. Finally we click on Browse in order to identify the administrator address.

  6. While we are at the server object properties, we may also want to enable event logging. Do this from the Diagnostics Logging page.

    Diagnostic Logging

  7. Select the MSExchangeSA service.

  8. Select Mailbox Management Category.

  9. At the bottom set the logging level as needed.

  10. Click OK to save changes.

If you have multiple mailbox servers you will want to also enable the Mailbox Manager on these servers as well.

That completes the Mailbox Manager configuration. To quickly force the policies to be run, right-click the server object and select 'Start Mailbox Management Process'.

Start Mailbox Management Process

References

What's in the Junk Email Folder?

How to use recipient policies to control mailboxes in Exchange 2000 and Exchange 2003

User Comments - Page 1 of 1

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John 7 Aug 2016 16:39
I need to know how to do this in exchange server 2010.
Alexander Zammit 1 Jul 2011 06:14
Check this:
http://www.exchangeinbox.com/article.aspx?i=62

It was written for Exchange 2007 but I think it is still valid for Exchange 2010
Exchange 2010? 1 Jul 2011 05:46
Any updated version of this for Exchange 2010?
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