Barracuda Email Security Service (ESS) now allows admins to select how to handle emails when SPF checks fail for incoming emails. SPF has two different kind of failure modes – hardfail and softfail. ESS allows you to decide how to handle each different kind of failure separately.

For each type of failure, we can set different options like Block/Quarantine/Off. You will find this under Inbound Settings -> Sender Authentication

See screenshot below.

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