Boolean if the domain is active.
Amount of aliases in the domain.
Boolean to relay domain or not.
The predefined mailbox quota in add mailbox form
The description of the domain.
The language code associated with this domain.
The limit count of mailboxes associated with this domain.
The maximum quota per mailbox.
The maximum quota for this domain (sum of all mailboxes).
If not, then you have to create "dummy" mailbox for each address to relay
Base attributes of a domain.