[Yandex Cloud documentation](../index.md) > [Yandex Cloud Postbox](index.md) > Release notes

# Yandex Cloud Postbox release notes

## April 2026 {#april-2026}

### Updates {#updates}

* Added support for the full-cycle processing of email complaints: accepting complaints from internet service providers, parsing these complaints, identifying the sender, and sending a [complaint notification](concepts/notification.md#complaint) to the user. Added a dedicated complaints metric to the [statistics](concepts/statistics.md) on sent emails in the management console.
* Added support for [viewing](operations/messages.md) information about sent emails in the management console.

## February 2026 {#february-2026}

### Updates {#updates}

* Added support for the simple method of setting up a DKIM signature (Easy DKIM).

## October 2025 {#october-2025}

### Updates {#updates}

* Added support for the sender list limit: now, when [creating an address](operations/create-address.md), you can also add the list of mailboxes allowed to send to it.

## September 2025 {#september-2025}

### Updates {#updates}

* Added graph [statistics](concepts/statistics.md) to track email deliveries, opens, link clicks, and unsubscribes.

## August 2025 {#august-2025}

### Updates {#updates}

* Added support for [click tracking](concepts/click-tracking.md) in emails.

## July 2025 {#july-2025}

### Updates {#updates}

* Supported [authentication with an IAM token](api-ref/authentication.md#iam-ses-example).
* Supported notifications about the following events:
    * [Email opened](concepts/notification.md#open)
    * [Email delivery delayed](concepts/notification.md#delayed-delivery)
    * [Recipient unsubscribed](concepts/notification.md#subscription)
* Supported [email delivery over a secure connection](aws-compatible-api/api-ref/put-configuration-set-delivery-options.md).

## May 2025 {#may-2025}

### Updates {#updates}

* Added support for Terraform: you can now create addresses and check custom domain ownership using Terraform. Read more in [this article](tutorials/domain-identity-creating.md).

## March 2025 {#march-2025}

### Updates {#updates}

* Added support for SMTPS: users whose email client does not support STARTTLS can now send emails using Yandex Cloud Postbox.
* Added support for [email templating](operations/send-templated-email.md).

## January 2025 {#january-2025}

### Updates {#updates}

* Added support for sending [notifications about email delivery](concepts/notification.md) to a Yandex Data Streams data stream.
* Added support for [API key authentication](operations/send-email.md#smtp-send) when sending emails from the email client over SMTP.

## August 2024 {#august-2024}

### Updates {#updates}

* Added support for [logging](operations/logs-write.md) to the execution log.