One way to get your email through spam filters even if you are listed on the BRBL is to register your domain and IPs at
EmailReg.org. Email administrators can configure their systems to use
EmailReg.org to apply policy to inbound email. Emails from domain names and IP addresses that are properly registered on
EmailReg.org can be automatically exempted from spam filtering defense layers on Barracuda Spam Firewalls, preventing your email from being accidentally blocked.
What they do not mention until you are a few pages into the registration is that this is a pay service.
You have to pay by credit card to be in the whitelist.
-Raymond
Barracuda BRBL Whitelist
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