Postbox
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Updated at July 8, 2026
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. |
Destination
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. |
RawMessage
| Field name | Type | Required | Default value | Templating is supported | Description |
|---|---|---|---|---|---|
data |
string |
Yes | No | Yes | Raw email type. For more information, see this Yandex Cloud Postbox guide. |
SimpleMessage
| Field name | Type | Required | Default value | Templating is supported | Description |
|---|---|---|---|---|---|
subject |
MessageData | Yes | No | No | Email subject. |
body |
Body | Yes | No | No | Email text. |
Body
| 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. |
MessageData
| 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: |