2.3.6. Increased outgoing mail limits
Payment
For all hosting plans, the service is paid daily from the balance.The standard daily limits for sending messages for a paid hosting account are: 500 from a web server without authorization and 500 via SMTP with authorization. If these limits are insufficient, you can order increased limits.
You can view information about current limits and their usage in the "Mailboxes" section in the "Email sending limits per day" block.
Order
Important points:
- Ordering is available only to the owner of the hosting account.
- The balance must have enough funds to pay for at least 2 days of service.
- Ordered increased limits replace standard limits and are not cumulative with them.
- Only one package can be used at a time.
- Ordering is unavailable for hosting accounts that are on the test period or contain malicious code.
- Open the "Mailboxes" section and click "Increase limits" in the "mail sending limits per day" block:

- In the row with the desired package, click "Order":

- Wait 10-15 minutes for the changes to take effect.
Change
Increasing limits is possible without restrictions. Decreasing limits is only possible if the number of messages sent during the current day does not exceed the new limits you want to set. For example, if you had a limit of 5,000 and sent 2,500 messages during the current day, you will not be able to decrease the plan until the next day.
To change the limits, simply order another package and it will be activated instead of the old one. The changes will take effect within 10-15 minutes.
Disable
Disabling the increased limits is only possible if the number of messages sent during the current day does not exceed the standard limits (500). For example, if you have already sent more than 500 messages during the current day, you will not be able to disable the increased limits until the next day.
To disable the increased limits, open the order form and click "Disable". After disabling, payment for the increased limits will no longer be deducted from your balance and the standard limits will be restored.
Comments
Вы не можете активировать услугу на конкретную сумму, услуга может быть либо включена, либо выключена. Когда услуга включена и на балансе есть средства, она работает. Когда вы отключаете услугу, она перестаёт работать и средства за неё перестают списываться. Когда услуга включена, но на балансе нет средств, она автоматически отключается.
Списание оплаты происходит каждую ночь.
Проще говоря, если вы сегодня отправили более 500 писем, то вам нужно дождаться следующего дня и тогда вы сможете отключить увеличенные лимиты.
UPD: В статью добавлено более подробное описание изменения и отключения увеличенных лимитов с примерами.
Cсылка на скрин: https://drive.google.com/file/d/1YSGCtlCl3Cih0CuS-Ipu5vnXI43XmyCO/view?usp=drive_link
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UPD: В статью добавлено более подробное описание изменения и отключения увеличенных лимитов с примерами.