Forms upload for guests are not working after changing the mail domain in Instance Settings


  • This article describes a known issue with guests uploads in Forms after changes to a Liferay DXP instance's mail domain.
  • In this situation, you will see symptoms such as an error message in the UI indicating

    "An unexpected error occurred while uploading your file."


  • Liferay DXP 7.3
  • Liferay DXP 7.4 Update 75 and under


  • In Liferay DXP 7.3, please open a support ticket on Liferay Help Center with a request for a hotfix which includes the fix for LPS-182948.
  • In Liferay DXP 7.4, please update to Update 76 or above. Or in the alternative, please create a ticket on Help Center requesting a hotfix which includes the fix for LPS-182948.

Additional Information

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