Yandex Cloud
Search
Contact UsGet started
  • Blog
  • Pricing
  • Documentation
  • All Services
  • System Status
    • Featured
    • Infrastructure & Network
    • Data Platform
    • Containers
    • Developer tools
    • Serverless
    • Security
    • Monitoring & Resources
    • ML & AI
    • Business tools
  • All Solutions
    • By industry
    • By use case
    • Economics and Pricing
    • Security
    • Technical Support
    • Customer Stories
    • Start testing with double trial credits
    • Cloud credits to scale your IT product
    • Gateway to Russia
    • Cloud for Startups
    • Education and Science
    • Yandex Cloud Partner program
  • Blog
  • Pricing
  • Documentation
© 2025 Direct Cursus Technology L.L.C.
Yandex Serverless Integrations
    • Overview
      • Workflow
      • Starting workflow
        • Overview
          • HTTPCall
          • GRPCCall
          • YMQ
          • YDS
          • YDBDocument
          • FunctionCall
          • ContainerCall
          • FoundationModelsCall
          • ObjectStorage
          • Tracker
          • Postbox
          • Workflow
          • Disk
      • Templating
    • Quotas and limits
  • Pricing policy
  • Terraform reference
  • Release notes

In this article:

  • Destination
  • RawMessage
  • SimpleMessage
  • Body
  • MessageData
  1. Concepts
  2. Workflows
  3. YaWL specification
  4. Integration steps
  5. Postbox

Postbox

Written by
Yandex Cloud
Updated at April 18, 2025
  • Destination
  • RawMessage
  • SimpleMessage
  • Body
  • MessageData

Sending emails with Yandex Cloud Postbox. The simple and raw fields are mutually exclusive.

Field name Type Required Default value Templating is supported Description
fromAddress string Yes No No Yandex Cloud Postbox address to send emails from.

The service account specified in the workflow settings and the address specified in this field must reside in the same folder.
destination Destination Yes No No Object describing addresses of recipients.
simple SimpleMessage No No No Email that will be sent.
raw RawMessage No No No Email that will be sent.

DestinationDestination

After templating, the field values must have this format: a@example.com, b@example.com or [a@example.com, b@example.com].

Field name Type Required Default value Templating is supported Description
toAddresses string Yes No Yes Addresses of email recipients.
ccAdresses string No No Yes Addresses of email copy recipients.

RawMessageRawMessage

Field name Type Required Default value Templating is supported Description
data string Yes No Yes Raw email type. For more information, see the Yandex Cloud Postbox documentation.

SimpleMessageSimpleMessage

Field name Type Required Default value Templating is supported Description
subject MessageData Yes No No Email subject.
body Body Yes No No Email text.

BodyBody

Field name Type Required Default value Templating is supported Description
text MessageData Yes No No Object in charge of displaying the email in mail clients without HTML support.
html MessageData Yes No No Object in charge of displaying the email in mail clients with HTML support.

MessageDataMessageData

Field name Type Required Default value Templating is supported Description
data string Yes No Yes Text.
charset UTF_8|
ISO_8859_1|
Shift_JIS
Yes No No Encoding:

Was the article helpful?

Previous
Tracker
Next
Workflow
© 2025 Direct Cursus Technology L.L.C.