Impressionwise Email Verification and Spam Trap Removal

ESP Referral Program

A Smarter Way to Onboard

Achieving optimal deliverability rates and positive sender reputation has become a priority for marketers as deliverability issues can cause significant revenue loss. One of the most effective ways to ensure optimal deliverability rates is maintaining clean email list hygiene which reduces the likelihood of Spamhaus blacklisting, major ISP blocking, or excessive bounce rates.

Impressionwise is known world-wide for being the foremost expert in email verification and threat removal. Our technology allows you as an ESP to proactively engage with potential and current senders to evaluate their lists in a way that focuses on the various threat and deliverability challenges ESP's are faced with regarding compliance throughout the lifecycle of a sender.

Value to your users.


Traditionally, until an email marketer deploys an email marketing campaign, they generally had no awareness of the toxicity of the data in the list.

Solution: Our industry-leading, line item reporting covering all forms of email reputation and deliverability threats, so you can send in confidence.


Historically, compliance has been self-directed and elective. Most email marketers lack of sending reputation awareness represents an existential threat to you as an ESP.

Solution: Impressionwise, educates our clients than list cleansing is not a one-time event and promotes pro-active hygiene compliance thru regular cleansing intervals or using our Data Assurance Program.


Let our expert data intelligence identify and resolve your threat and deliverability issues with our detailed diagnostics.

Solution: Our industry-leading List Profile Report provides the most comprehensive view and insight into your data thru detailed diagnostic codes to aid in the identification of specific deliverability threats.

Value to you as an email service provider.


ESP’s rely on users to follow best practices with list growth and maintenance. Until a user deploys an email marketing campaign, ESP’s have no way of knowing the toxicity of the data in the list.

Solution: Stop wondering and start knowing if your emails are safe and sign up for our complimentary evaluation.


Rather than rely on user to stay in compliance, our service assist ESP’s in taking proactive measures to protect your email network reputation and email deliverability.

Solution: Our network monitoring service can monitor your user’s resources detecting deliverability/ reputation threats to your users and alert your deliverability team before problems become bigger issues possibly affecting other clients unintentionally.


Tired of your users complaining about why their delivery has poor performance or having your user provide you with a third-party, overly simplified reporting provided as proof of good hygiene practice from other verification companies with minimal detail and zero insight helping your users understand why their deliverability is less than optimal or problematic.

Solution: Don’t terminate or lose your problematic clients, remediate them! Earn their loyalty and trust by educating them into what the root causes are with their reputation/ delivery issues and how to Impressionwise could aid in the resolution.

Achieving consistent database growth is one of the most important goals for many marketers. This often involves risky third-party email lists that result in serious deliverability issues and hinder sender reputation. Marketers can minimize those risks by verifying third-party data and sending only to valid accounts and domains. That’s why data hygiene is an essential component of any marketing program.

Refer and Earn Program

Ideal for ESP’s, agencies, and companies looking to offer our service to their customers. We offer generous revenue sharing opportunities to our partners while rewarding your users with special discounted pricing via branded landing pages, and much more. We believe every relationship is unique and strive to create a mutually successful relationship.

Questions? Please feel free to reach out with any questions you may have about our cleansing process or your results, and we look forward to you experiencing the results that truly set Impressionwise apart!

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.

Try it Now

Experience the difference for yourself. Try our free list analysis!
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