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Unable to set mailbox size more than default size in Plesk: The specified limit is invalid

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Stefan Yakubov
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Plesk for Windows Plesk for Linux kb: technical ABT: Group A

Applicable to:

  • Plesk for Linux
  • Plesk for Windows

Symptoms

Unable to change mailbox size in Plesk GUI going to Domains > example.com > Email Addresses > Click on the mailbox > Another size. The following error is shown in Plesk GUI:

PLESK_ERROR: The specified limit is invalid.

Cause

The custom mailbox size trying to be set on the mailbox is limited by the Subscription, Service Plan and/or Reseller's Service Plan settings:

  • In Subscriptions: Subscriptions > example.com > Customize > Mailbox size

  • In Service Plan: Service plans > Service_plan_name > Mailbox size

  • In Resellers: Resellers > John Doe > Customize > Mailbox size

Resolution

Note: If Plesk Web Admin edition is installed, apply the solution described here

  1. Log in to Plesk GUI

  2. Switch Plesk interface to the Service Provider View

  3. Change the default mailbox size limit for Subscription or for Service Plan or for Reseller. This depends on where the limit is configured in each specific case. There are 3 options:

    Click here to expand

    • Change limit in a Subscription:

      Go to Subscriptions > example.com > Click on Customize option available in the Account right sidebar section > Change Mailbox size > Click on Update & Lock to apply the changes

    • Change limit in a Service Plan:

      Go to Service Plans > Choose required Service Plan > Change Mailbox size > Click OK to apply the changes

    • Change limit in a Reseller:

      Go to Resellers > Click on the name of the Reseller > Click on Customize option available in the Resources right sidebar section > Change Mailbox size > Click on Update & Lock to apply the changes

Additional information

Unable to change maibox size: The specified limit is invalid

Comments

4 comments

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  • Avatar
    imprentaonline24

    I have the Web Admin version and I can't find those options to change. Do I have to switch to Power User? Right now I am in Administrator

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    Ivan Postnikov

    Hello imprentaonline24

    Web Admin licenses have Power User view only.
    In your case, this may be adjusted via CLI only, check this instruction.

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  • Avatar
    Stergios Geo

    In guide "Go to Plesk UI > Subscriptions > example.com > Account section > click Customize > Mailbox size and increase limit to desired size." 

    There is no "Customize" button or link in Account section

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  • Avatar
    Marc Vidal

    Thanks Stergios Geo,

    I've updated the article with clearer indications.

    Notice that the "account" section is available on the right sidebar, here a screenshot:

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