Yandex Cloud Postbox release notes

August 2026August 2026

UpdatesUpdates

• Added support for dedicated IP addresses. You can group dedicated IP addresses into pools and link those pools with configurations. All emails to which the configuration applies will be sent from the IP addresses of the pool linked with it. Pool management is available via an AWS-compatible HTTP API and the AWS CLI.
• Added support for the custom suppression list.

July 2026July 2026

UpdatesUpdates

• Added support for the email delivery simulator.
• Added support for the SPAM status for emails.

June 2026June 2026

UpdatesUpdates

• Supported bulk emails via the AWS-compatible HTTP API. The SendBulkEmail method now allows you to send multiple templated emails in a single request, with a common template and individual substitution data, recipients, headers, and labels for each email.

• Added support for attachments in emails sent via the AWS-compatible HTTP API. Files are provided in the Attachments parameter:

  • In the SendEmail method, via the Simple or Template content type.
  • In the SendBulkEmail method, via the shared DefaultContent.Template content.

  Both regular attachments and inline attachments (e.g., images in HTML) are supported. Read more on attachment limitations.

April 2026April 2026

UpdatesUpdates

• 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 to the user. Added a dedicated complaints metric to the statistics on sent emails in the management console.
• Added support for viewing information about sent emails in the management console.

February 2026February 2026

UpdatesUpdates

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

October 2025October 2025

UpdatesUpdates

• Added support for the sender list limit: now, when creating an address, you can also add the list of mailboxes allowed to send to it.

September 2025September 2025

UpdatesUpdates

• Added graph statistics to track email deliveries, opens, link clicks, and unsubscribes.

August 2025August 2025

UpdatesUpdates

• Added support for click tracking in emails.

July 2025July 2025

UpdatesUpdates

• Supported authentication with an IAM token.
• Supported notifications about the following events:
  • Email opened
  • Email delivery delayed
  • Recipient unsubscribed
• Supported email delivery over a secure connection.

May 2025May 2025

UpdatesUpdates

• Added support for Terraform: you can now create addresses and check custom domain ownership using Terraform. Read more in this article.

March 2025March 2025

UpdatesUpdates

• 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.

January 2025January 2025

UpdatesUpdates

• Added support for sending notifications about email delivery to a Yandex Data Streams data stream.
• Added support for API key authentication when sending emails from the email client over SMTP.

August 2024August 2024

UpdatesUpdates

• Added support for logging to the execution log.