Introduction
Sometimes, while accessing Horde webmail, users may encounter a warning message stating “Unable to get quota” displayed in yellow on the interface. This issue can be confusing because no corresponding errors are logged in the Horde error logs. It is typically related to mailbox display or sorting configuration rather than an actual quota problem.
Prerequisites
Before proceeding with the fix, ensure the following:
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You have valid access to the Horde webmail interface.
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The mailbox is loading (even if the warning appears).
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No backend mail server quota issues exist (optional verification).
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You have permission to modify Horde user settings.
Resolution Steps
To resolve the issue, follow these steps within the Horde interface:
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Navigate to Options
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Go to Mailbox and Folder Display Options
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Locate Default sorting criteria
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Change the value to Arrival Time
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Save the settings and refresh the mailbox page
Conclusion
The “Unable to get quota” warning in Horde is often a UI-related issue rather than a backend failure. Adjusting the mailbox sorting criteria to Arrival Time resolves the problem in most cases. If the issue persists, further investigation into IMAP quota configuration or server-side logs may be required.