- Plesk for Linux
- Plesk for Windows
How to change the amount of mailboxes limit of a subscription in Plesk?
Go to Subscriptions > example.com > Customize.
On the Customizing Subscription page, set up the value for Mailboxes, then click OK.
Note: When changing the subscription's limit, the subscription will be locked from syncing with its service plan.
Go to Service Plans > Service plan name > Resources tab.
Set up the value for Mailboxes, then click Update & Sync.