How to set limitations on outgoing email messages in Plesk

Kuzma Ivanov

Updated May 05, 2026 06:52

Plesk for Windows kb: how-to Plesk for Linux

Applicable to:

Plesk for Linux
Plesk for Windows

Question

How to set limitations on outgoing email messages in Plesk

Answer

To manage limitations on outgoing email messages, log in to Plesk and enable the option Switch on limitations on outgoing email messages at Tools & Settings > Mail Server Settings.

For the mailbox (Linux only)

Go to Domains > example.com > Email Addresses and select one or more email addresses for which you want to change the limit. Then click Limit Outgoing Messages.

Alternatively, click on an email address and customize the setting The maximum number of outgoing email messages.
In the opened window, customize the limit on outgoing messages. Once done, click OK to apply the changes.

For the domain

Note: This limit is overall limit for all email addresses under one domain.

Go to Subscriptions > example.com > Mail > Mail Settings tab and select one or more domains for which you want to change the limit. Then click Limit Outgoing Messages. To see the current domain limit, click Edit Limit.
In the opened window, customize the limit on outgoing messages. Once done, click OK to apply the changes.

For the subscription

Note: Customized values of existing domains will not be overwritten.

Go to Subscriptions > example.com and click Change Outgoing Mail Limits located in the right pane.

2. On the opened page, customize the limit on outgoing messages. Once done, apply the changes.

For the service plan

Note: Customized values of existing subscriptions will not be overwritten.

Go to Service Plans > plan_name > Mail tab and customize the limits on outgoing email messages.

Additional Information

To monitoring the outgoing mail, go to Tools & Settings > Outgoing Mail Control:

The General tab shows the number of Plesk objects that have attempted to exceed limits.
To see the detailed report about a certain Plesk object, go to the corresponding tab - Email Addresses, Domains or Subscriptions - and click the required object.