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The customer portal allows you to create, view, and manage mailboxes for your Mailcow Email service.

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Viewing Mailboxes

Your mailboxes are listed on the service page under the Mailboxes sub-tab. Each mailbox shows:

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Creating a Mailbox

  1. On the Domain Overview tab, click + Create Mailbox
  2. Enter the mailbox details:
    • Email address — The local part (before the @)
    • Name — Display name for the mailbox user
    • Password — A strong password for the mailbox
  3. Submit the form
The mailbox is created immediately and the user can log in to webmail or configure an email client.

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Changing a Password

  1. Find the mailbox in the list
  2. Click Change Password
  3. Enter the new password
  4. Save

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Deleting a Mailbox

  1. Find the mailbox in the list
  2. Click Delete
  3. Confirm the deletion
Deleting a mailbox permanently removes all email, contacts, and calendar data in that mailbox. This action cannot be undone.

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Mailbox Limits

The number of available mailboxes depends on your plan and any additional mailboxes you have purchased: To add more mailboxes, see Upgrades and Downgrades.

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Storage

If a mailbox runs out of storage, new incoming messages may bounce and sending may fail. To free up space, delete old messages or empty the Trash folder. For more storage, consider upgrading your plan or contact support for options.