Clean and Validate Your Current Database
Each and every email lead is verified and vetted to match your exact criteria. All contacts are opt-in, validated and CAN-SPAM compliant. This compilation process includes the operation and partnering with over 900+ unique publishers, URL databanks, public sources, state records, social media accounts services, online credit card based purchase records, business credit reports and over 400 additional real time sources to cull only the most updated information to be matched and cross-referenced.
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Need More?
Below you can find a few of many steps in place to ensure your email messages gets delivered at is very highest percentage. We don't scrape data, we don't just update once in a while. This data is live and this data is guaranteed to deliver or we'll replace the defective data.Â
Why National Data Group
      Take A Look Below and You'll See Why
Why National Data Group
Below are a few more insights on why these emails deliver
Accurate, Fast and Secure Email Hygiene
There are hundreds of different ways to validate data. For over a decade, we have gathering the best of all options and combined them into one streamlined process. National Data Group is committed to ensure your list brings value to your campaign. Value through delivery, value through accuracy and value through the confidence it delivers in your product, message and your companies reputation. Stop taking chances with questions lists. Below is a just a peak behind the curtain. National Data Group delivers; Let Us Prove It!Â
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| disposable | Disposable addresses are created to be Valid only temporarily |
|---|---|
| soft_bounce | soft_bounce |
| unknown | email delivery fails but no information about why. |
| ok | all is ok, The server is saying that it’s ready to receive a letter to this address and no tricks are detected. |
| ok_for_all | email server is saying that it’s ready to accept a letter to any email |
| antispam_system | some anti-spam technology is blocking the verification process. |
| dead_server | email server is dead, no connection to it. |
| email_disabled | email account is suspended/disabled/limited and can not receive emails. |
| invalid vendor response | invalid vendor response |
| invalid_mx | invalid_mx |
| smtp_protocol | SMTP server allows us to connect, but closing SMTP session before email was verified. |
| spamtrap | Created to lure spam |
| Age | Age |
| Gender | Gender |
| City/State/Zip | City/State/Zip |
| Physical Address | Physical Address |
| State | State |
| County | County |
| Homeowner | Homeowner |
| Status | Status |
| Head of Household | Head of Household |
| Interests | Interests |
| Religion | Religion |
| Income | Income |
| Investors | Investors |
| Hobbies | Hobbies |
| Occupations | Occupations |
| Donors | Donors |
| DOB | DOB |
| Language | Language |
| Phone | Phone |
| Net Worth | Net Worth |
| Home Value | Home Value |
| Health Concerns | Health Concerns |
| Presence of Children | Presence of Children |
| Education | Education |
| Ethnicity | Ethnicity |
| Purchasing | Purchasing |
| Behavior | Behavior |
| Vehicle Owners | Vehicle Owners |
| Home Value | Home Value |
| Marital Status | Marital Status |
| Ailments | Ailments |
| Pets | Pets |
