EmailPreferencesAutoBcc field cannot be updated in before trigger

Publish Date: Apr 21, 2026

Description

Updates to EmailPreferencesAutoBcc field on the User object attempted within a before trigger context are silently ignored and will not be persisted.

Resolution

As a workaround, consider to use one of the following approaches:

Use after trigger
Use an @future annotated method to perform the update in a separate asynchronous transaction

Knowledge Article Number

005318914

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