A Mailbox is used to receive and store emails from users. Every mailbox has an email address in the format "<mailbox name>@<domain name>". E.g., "mail@example.com".

To create a mailbox:

  1. Go to Domains → Mail domains → Mailboxes → Add or if you have at least one mailbox in ISPmanager go to Accounts → Mailboxes.
  2. Enter the Name of the mailbox. You can use low-case Latin alphabet letters, digits, a dot, and a dash. 
  3. Select a Domain where the mailbox will be created. 


    The system will create the directory /var/www/<mail domain owner>/data/email/<mail domain name>/<mailbox name> where the emails will be kept.

    The string in the format "<mailbox email>:<mail domain owner uid>:<mail domain owner gid>:<mailbox maximum size>:<directory to save emails>:no" will be created in /etc/exim/passwd.

  4. Enter Aliases for this mailbox. Emails sent to aliases will be forwarded to the main name.


    For every alias the string in the format "<alias email address>:<main mailbox email address>:fwd" will be created in /etc/exim/aliases.

  5. Enter a Password to access the mailbox.
  6. Enter the maximum size of the mailbox in the Disk space field.  Emails will be rejected when this limit is exceeded. 


    The string in the format "<mailbox email address>:{CRAM-MD5}<password hash>:<mail domain owner uid>:<mail domain owner gid>::<directory to save emails>:::maildir:~/.maildir userdb_quota_rule=*:bytes=<mailbox maximum size>" will be created in /etc/dovecot/dovecot.passwd.

  7. Send a copy to — enter the email address where all incoming email messages will be forwarded to. Select the checkbox Do not save incoming emails if you do not want to save received email messages in this mailbox.


    For every email address the string in the format "<redirect email address>:<email address of the main mailbox>:user" will be created in /etc/exim/aliases.

  8. Enable additional options. They are available only if the corresponding module is installed. Please refer to the articles Install a mail serverand Create a mail domain. 
    • Enable Greylisting — select this check box to enable Greylisting for the mailbox. If the option is disabled the mailbox is added into /<postfix directory>/postgrey_whitelist_recipients;

    • Enable SpamAssassin —  a mail filter for spam protection. If the option is disabled, the mailbox is added into /<spamassassin directory>/local.cf;

    For more information about the filters please refer to the article How to protect a mail server from spam and viruses.

  9. Enter additional information in the Notes field. The information will be displayed in the list of mailboxes → the column Info.
  10. Click Ok.