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We only record ip address and net blocks equal to or larger than /21 (some exceptions to this rule are handled on a case by case basis) We only deal in IP addresses. We use ARIN.net's Whois searches to provide information on all U.S., Canadian and several other small countries in North America.
Blacklist Zone(s)
Blacklist type
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
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
Manual. IP addresses are captured using spam traps and user submissions.
Listing lifetime
Not published.
Notes
Delisting guidance
Manual, follow these instructions for a removal request.
You have to lookup the listed owner on whois.arin.net
The request has to come from the the listed owner and the netblock has to be /21 min. in size!
If you do not understand what a /21 network size is then you should ask your porvider or host!!!!
Use spamgrouper@yahoo.com to send request to.
Only include the ip address in the body of the e-mail!!
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.