Barracuda Spam Firewall
is a popular spam filtering software. One of the ways it figures out
whether an email is Spam or not is through the use of its "Intent
Engine". The "Intent Engine" is a human run and maintained blacklist
which is turned "On" by default with each new Barracuda installation.
To get blacklisted inside the "Intent Engine" you must first have had a complaint submitted to Barracuda by one of its customers. By default Barracuda assumes all mail is good mail, until that initial complaint is filed. Once a complaint is filed, a person will look at your email for three attributes to determine if it belongs on the blacklist.
We encourage our customers to add a quick one-line explanation to the body of their messages that explain how and where permission was gained from the customer to be on your list. This line can be in the header or the footer of the message. Not only would this help with deliverability, but it would also help make transparent your relationship with the end recipient which is always a good thing.
source: Campaigner
read more: Barracuda Lookup
To get blacklisted inside the "Intent Engine" you must first have had a complaint submitted to Barracuda by one of its customers. By default Barracuda assumes all mail is good mail, until that initial complaint is filed. Once a complaint is filed, a person will look at your email for three attributes to determine if it belongs on the blacklist.
- "To:" line cannot be obfuscated. Anyone who uses blind carbon copy line (BCC line) to load up a list of recipients would fail this test.
- The email must let the recipient know how they got on the email list inside the body of the message.
- There must be a one-click unsubscribe link.
We encourage our customers to add a quick one-line explanation to the body of their messages that explain how and where permission was gained from the customer to be on your list. This line can be in the header or the footer of the message. Not only would this help with deliverability, but it would also help make transparent your relationship with the end recipient which is always a good thing.
source: Campaigner
read more: Barracuda Lookup
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