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The activated domains can be automatically added by the system into hosting account as addon domain (cpanel supported, plesk support coming).
The module is a drop-in addon which requires no modification of the WHMCS core settings.
It does also solve the renewal problem of free domains. WHMCS requires that the free domain has the same expire date as the client product. But this is often not possible if the domain has been transferred to you.
The module does not care about the expire date and will always ensure, that the domain renewal is handled correctly.
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