All Barracuda Spam Firewalls, all firmware versions.
These emails result from the option selected via Basic > Virus checking > 'Barracuda Real-Time Protection' > "ON -Send Virus Variants".
This system will send us samples of the message data to observe if we have seen this virus before or not. Barracuda Networks scrubs the data received to protect privacy information , and these emails are always transferred via TLS (if allowed).
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