Site: USPS Informed DeliveryTry signing up a second time, using mobile app, but it did not help. Prior to this problem, received Informed Delivery email notifications for years without any problems. Add new comment Your name * E-mail * The content of this field is kept private and will not be shown publicly. Comment * Notify me when new comments are posted MtNuNQ Enter the code above * Enter the code without spaces. Leave this field blank
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