Azure MFA server does not support E-Mail as an Authentication method, i.e. OTP getting delivered to EMail. This feature is required.
Azure MFA does not support OTP over E-Mail, The support for the same is required for scenarios where Mobile is not allowed inside the premises due to security and has to be submitted outside at security desk. In such cases, OTP can be checked over E-MAil but that is not supported by MFA. Please suggest,