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  1. Concepts
  2. Quotas and limits

Quotas and limits in Yandex Cloud Postbox

Written by
Yandex Cloud
Updated at May 13, 2026
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Yandex Cloud Postbox has the following limitations:

  • Quotas are organizational constraints that can be changed by contacting technical support.
  • Limits are technical constraints of the Yandex Cloud architecture. You cannot change the limits.

If you need more resources, you can increase your quotas in one of the following ways:

  • Make a request to increase your quotas.
  • Contact support and specify which quotas you want increased and by how much.

To have your request processed, you must have the quota-manager.requestOperator role or higher, e.g., editor or admin.

You can manage your quotas with Cloud Quota Manager.

QuotasQuotas

Type of limit

Value

Maximum number of recipients per email
postbox.recipients_per_email.count

50

Maximum size of an email with attachments
postbox.email.size

10 MB

Maximum number of addresses
postbox.identities.count

10

Maximum email send rate
postbox.send.rate

1 email per second

Maximum number of emails that can be sent within a 24-hour time interval
postbox.emails_sent.count

200

Maximum number of configurations
postbox.configuration_sets.count

5

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