Email Verification

Collect accurate first party data and maximize deliverability with Email Verification & Hygiene.

Reach out to the AtData team

Fix bouncing emails, spamtrap hits and damaged sender reputations.

Undeliverable and harmful addresses can lead to ISP blocking and 3rd party blocklisting. Even something as innocent as a typo on a registration form can mean a lost opportunity to connect with a valuable customer. Use our SafeToSend® email verification service to clean your email list and eliminate these threats.

AtData’s Email Verification leads the industry in accuracy, security, speed and ease of use. Continuously improved for over 20 years and with more than 50 billion email addresses processed, there’s no better choice for your email data quality needs.


Two Options to Choose From:


Enterprise-grade verification & hygiene that protects your list and email revenues

Email Validation

Built on the best tech, spare the bells and whistles

Choose the AtData email verification solution for your needs!

  • SafeToSend®
    Email Validation
  • Dedicated Account Manager
    Dedicated Account Manager One of AtData’s Email Experts available for all of your email address intelligence needs.
  • Syntax Check
    Syntax Check Assessment of the local-part, domain, top-level-domain and their compliance with RFCs
  • Domain Check
    Domain Check Evaluation of the domain against known status and proprietary rules
  • Mailbox Verification
    Mailbox Verification The ping often in smtp or other proprietary methods
  • Corrections
    Corrections Proprietary algorithms to correct common typos and misspellings
  • Integrations
    Integrations Easy access for file transfer results application from your Email Service Provider to AtData
  • Risky Email Flag
    Risky Email Flag Toxic harmful data traps flagged for your removal 
  • SpamTrap Detection
    SpamTrap Detection Identification of known spam traps to protect your reputation 
  • Advanced SpamTrap Detection
    Advanced SpamTrap Detection

    Human review of suspicious emails in your file

  • Custom Filtering
    Custom Filtering Support for custom suppression of usernames and domains, also exceptions and suppression for full email addresses
  • Enhanced B2B Verification
    Enhanced B2B Verification Proprietary accurate mailbox level verification for business to business email
  • Human Quality Control
    Human Quality Control Our email experts at work. Human evaluation of your database to ensure best results
  • 100% Guarantee
    100% Guarantee If we say it’s SafeToSend we mean it. Any undeliverable emails will be credited back to your lookup balance.

Product Tour

  • Getting Started is Easy
    We make it simple to clean your data through our self-service portal, InstantData. Create a free account and either select your email list from your local device, upload it via FTP or import it from your email marketing platform. We are integrated with Iterable, Klaviyo, Mailchimp, Hubspot and more to come.
  • Visualize Your Data
    Our easy-to-use dashboard gives you a high-level overview of your data quality. Quickly review the status breakdown of your email addresses, the types of domains on your list, how many typos we detected and corrected and the quantity of role accounts you should watch out for.
  • Detailed Response Codes
    Our 35+ response codes provide in-depth insights into your data quality and highlight ways you can improve your data collection practices. InstantData, our self-service platform, provides both summary reports and appends our analysis to each email on your list.
  • Real-Time API
    With our API, you can avoid lost leads and improve data quality by validating email addresses in real-time as they are entered on your web forms or collected in your stores. You can submit files via our API as well and track your usage and results directly via the InstantData dashboard.

Take the next step and protect your data
with ongoing monitoring via List Guard™

Email Verification Pricing - Batch

Number of Inputs Price per Input
25,000+ $0.010
100,000+ $0.009
250,000+ $0.008
500,000+ $0.006
1,000,000+ Call for Pricing

Email Verification Pricing - Subscription

Price per Input Monthly Minimum
$0.010 $100
$0.008 $500
$0.006 $1,000
$0.004 $2,500
- For additional rates, please call for pricing.
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