In DualShield, the authentication product (authenticator) that implements the on-demand password (SMS Passcode) authentication method is called T-Pass.
SMS Passcode
To use SMS to deliver on-demand passwords to users, set the following options in the T-Pass policy
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In the Channels Available to Users, tick SMS
Email Passcode
To use Email to deliver on-demand passwords to users, set the following options in the T-Pass policy
In the Channels Used by the System section, set the Primary Delivery Channel to SMTP
In the Channels Available to Users, tick SMTP
