How to Change Default Settings for Account Creation?
Merak Email has the option to set default Account setting which are used whenever a new account is created.
To use this feature it must be enabled in the Domains & Accounts -> Global Settings -> Accounts node

Check the Active box to enable the feature.
Clicking on the Account Defaults buttons opens the following dialog:

Global Account Defaults can be set here.
The dialog allows you to define default options for Domains and Users.
NOTE - you can further refine your default Account settings via the Domain -> Options -> Account Defaults button.
Any settings you specify here will override Global Settings for new Accounts in this Domain.