Impressionwise Email Verification and Spam Trap Removal

Threat Intelligence Center


Blacklist Profiles\JustSpam.org

These days and ages spam is still a major problem and there are lots of blacklists around for years, but the problem using them is that you are almost always at risk to block legit emails too, not just spam.

The JustSpam blacklist is an attempt to make it better and we strongly believe in providing a first class email reputation system free of charge.

http://www.justspam.org/

Blacklist Zone(s)

dnsbl.justspam.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

Automatic (upon receipt of a spam to a spamtrap mailbox).

Listing lifetime

30 days.

Notes

To remove an IP from our blacklist requires, it has to be removed from the other well-known and independent blacklists in first place.

As soon as we are the only blacklist that has an IP listed, it can be removed from dnsbl.justspam.org via our website by anyone that is in control of the IP.

Please make sure your system stopped spamming before you remove it from our blacklist. Another removal of a formerly removed, but new listed IP is not possible for the next 30 days. You have been warned.

Delisting guidance

Self-Removal. Please visit http://www.justspam.org/check-an-ip and follow the instructions.

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.


The recognized authority in email verification
and list cleaning services

Impressionwise makes it easy for potential clients to evaluate our list cleaning services by offering a complimentary scan and report for a sample set of your data to illustrate the benefits of our services.

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