Using E-mail for MFA
the otp generated by kron pam can be sent to users via e mail using e mail for mfa works in conjunction with sms, so both sms and e mail are sent at the same time to adjust the mfa email settings navigate to administration > system configuration manager click on to add button and select add new system parameter set the parameters iga 2fa send token via email = true and iga 2fa sms http enabled=true navigate to the 2fa provisioning screen enable otp and select enable sms for the user group