Impressionwise Email Verification and Spam Trap Removal

Threat Intelligence Center


Blacklist Profiles\Barracuda Reputation Block List (BRBL)

Starting in September 2008, Barracuda Networks introduced the Barracuda Reputation Block List (BRBL – pronounced "bahr-bel") as a free DNSBL of IP addresses known to send spam. Barracuda Networks fights spam and created the BRBL to help stop the spread of spam.

http://www.barracudacentral.org/rbl/

Blacklist Zone(s)

b.barracudacentral.org

Blacklist type

URIBL: A URI dnsbl is simply an anti-spam “black list” delivered via DNS which consists of domain names and IP addresses which are found in the body of the message. Specifically, there are the domains and IP addresses which spammers use to host their web sites.

RBL: A RBL dnsbl is simply an anti-spam “black list” delivered via DNS which consists of IP addresses which are found in the body of the message. Specifically, there are the domains and IP addresses which spammers use to host their web sites.

Threat level/ delivery impact

Brand/ Network Resource/ Deliverability Harm - If your firm is impacted by threats shown below, you need to take immediate action as a laundry list of negative outcomes have potentially already begun ranging from significant deliverability issues to service termination from your ESP or ISP. If ignored, your brand reputation could be permanently tarnished and easily become associated in some circles with known spam organizations such as SpamHaus’s ROKSO or other similar blacklists.

Network Resource/ Deliverability Impact - Below are threats that could cause some significant delivery and reputational issues. At worst, you will experience continued delivery impacts and may be forced to purchase new sending domain and IP resources in order to achieve optimal deliverability.

Impacted Delivery - The following threats will result in temporal delivery issues, diminishing your campaign's outreach and effectiveness. Prolonged sending of these threats may result in longer lasting temporary blocks leading to eventual permanent blocking of your emails. There is minimal overall brand and sending resource reputational harm from these items

Nomination

Most IP addresses are listed as a result of directly sending spam or viruses to the Barracuda Reputation System's detectors. The Barracuda Reputation System detects spam by using honeypots, special addresses created to receive only spam and do not belong to any real user and through analysis of captive spyware protocol activity. In addition, the BRBL leverages some data derived from the Barracuda Blocklist (BBL) that is delivered to Barracuda Spam & Virus Firewalls as part of Barracuda Networks' product offerings.

Listing lifetime

Varies. Yet rarly permanent.

Notes

Removal requests are typically investigated and processed within 12 hours of submission if provided with a valid explanation. The false positive rate of the BRBL is rather higher than the above lists. BRBL is also quite unhelpful in the face of FPs or other support issues.

Delisting guidance

Visit http://www.barracudacentral.org/rbl/removal-request and follow the instructions for removal. Please note that the BRBL is generated by automated systems. Requests without valid information will be ignored. Multiple requests will also be ignored.

About Impressionwise

Impressionwise is a firm that provides professional real-time email verification, validation, and list cleaning services. Our core belief is that in order to have a successful email campaign, a company must send only a clean, well maintained email list. Our cleansing methodology is focused on the health of your sending network resources. The cleaner the domain and IP the better the delivery. Specifically helping email marketers validate and remove threat based email elements such as spam traps to ensure you are maximizing your lists' potential resulting in a higher level of engagement with your recipients. Our services allow you eliminate hard bounces and thus avoid being banned by your email service provider. Having been around for the past decade, Impressionwise’s longevity and industry experience have allowed us to amass the industry’s largest set of email list cleaning resources with the most flexible service options resulting in the highest level of actionable insight.


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