# Notification status A notification is an email sent to users to inform them about events in their account. Examples include order status updates, subscription changes (upsizes or downsizes), invoice generation, and other relevant events. Notification emails can exist in these states: **Queued**, **Discarded**, **Sent**, **Failed**, **Bounced**, or **Complained**. The following diagram shows the transitions between these states:

The state transition diagram of a notification.

The following table provides a description of the different statuses:

State	Definition
Queued	The email has been queued for sending to the recipient.
Discarded	The email has been discarded because the individual or account has disabled the category, or the contact has placed an administrative block due to bounces or complaints.
Sent	The email message has been sent to the recipient.
Failed	The platform was unable to send the email message.
Bounced	The email message bounced and couldn't be delivered. This could be due to several reasons, including invalid email addresses, issues with the recipient's mailbox, and so on.
Complained	The recipient has reported the email message as spam or junk.

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