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# Marketplaces > Amazon > Messaging > Send Invoice by Email

Use this page to automatically email PDF invoices to customers when their Amazon orders reach a specific status.

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### Configuring Automated Invoice Emails

Toggle the **ACTIVE** switch to **ON** to reveal the email configuration options:

* **Orders Statuses:** Select the order status trigger (e.g., *Shipped*) that causes the invoice email to be sent.
* **Mail Template:** Select the email body template to use for the invoice notification. Click **Preview** to inspect the email text or **Manage Template** to add and edit templates.
* **Additional File:** Select any supplementary document (such as terms and conditions or user guides) to include alongside the invoice, or click **Manage Additional File** to upload new files.

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### SMTP Server Settings

Configure your outgoing SMTP server credentials to send emails directly through your email provider:

* **Duplicate parameters from:** Copy existing SMTP configurations from another marketplace tab if already configured.
* **SMTP Server:** Enter your mail server address (e.g., *smtp.domain.com*).
* **Login & Password:** Enter the authentication credentials for your email account.
* **Encryption:** Choose the security protocol required by your host (**None**, **TLS**, or **SSL**).
* **Port:** Specify the outgoing SMTP port number.
* **Quotas:** Set the maximum number of emails allowed per hour to prevent exceeding server rate limits.

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After configuring your settings and server credentials, click **Save** at the top right to enable automated invoice delivery.