Impressionwise Email Verification and Spam Trap Removal


Threat Service data export specifications.

Manifest of deliverables contained within compressed file named:


The following export files contain the full row of fields initially provided in comma-delimited or CSV files unless noted otherwise:

Icon Folder Cleaned. Once a file has completed processing, it will be placed in this folder as a compressed (zip) file of the same name as the original file.
Icon Zip Within the compressed file you will find the following files and folders:
Icon File SAMPLE_FILE-CERTIFIED.csv (1,221,340)

All addresses in this file have been certified safe to send. You may upload this list to your ESP and send to each address with full confidence. This file is comprised of certified safe to send and network protected recipients.

Icon File SAMPLE_FILE-SUPPRESS.csv (41,519)

All addresses in this file should be entirely removed from your active mailing list as they have been classified as “Do Not Email”. These addresses contain various reputation and deliverability threats and should be avoided. You may use this list as a suppression file to be uploaded to your ESP for ease of use. This export contains the following threat classifications: Trap, Mole, Quarantine, Seed, Key, Invalid, Parked Site, and Dormant Account classified recipients.

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Details. At Impressionwise we want to empower you with the knowledge to create a combination of your results that achieves your desired goals. A tool for our most advanced users, our details subfolder contains the individual exports that will allow for customized suppression versus the recommended DNE provided within the root of the compressed file.

Icon File SAMPLE_FILE-CERTDOM.csv (1,217,275)

These addresses have been classified as certified safe to send with the mail server being of domestic US origin.

Icon File SAMPLE_FILE-CERTINT.csv (4,065)

These addresses have been classified as certified safe to send with the mail server being of non-US or international origin.

Icon File SAMPLE_FILE-NETPROTECT.csv (7,443)

To address specific deliverability challenges, use the below network protected codes provided within the exports to allow for individual classification suppression.

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Reports. Contains a PDF based summary of results. This List Profile Report references the data we purport to be undeliverable versus validated and trap free. Our line item reporting and detailed documentation will provide you with a detailed analysis identifying the exact cause of the individual spam traps/ non-deliverable elements within your data as well as probable cause(s) that may be affecting the deliverability of your messages.

The recognized authority in email verification
and list cleaning services

100.9 billion

18.4 trillion

6.6 billion

Emails Processed Data Points Analyzed Threats Discovered

With an average of 117,545 new email-based threats found each month, 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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