Frequently Asked Questions

Our email verification process performs multiple checks:

• Syntax Validation: Checks if the email format is correct
• Domain Verification: Confirms the domain exists and is active
• MX Record Check: Verifies mail exchange servers are configured
• Mailbox Verification: Tests if the specific mailbox exists (when possible)

Yes, we take data security very seriously. All email verification processes are performed securely, and we do not store your email lists permanently. Verification results are encrypted and stored temporarily only for your session. We comply with GDPR and other data protection regulations.

We support multiple file formats for bulk email verification:

• CSV files (.csv)
• Excel files (.xlsx, .xls)
• Text files (.txt)

You can also paste email addresses directly into our web interface.

Our verification accuracy is typically 95-98% for most domains. However, accuracy can vary based on:

• Server configurations and security measures
• Temporary server outages
• Anti-spam protections
• Greylisting and other email server behaviors

Verification speed depends on list size and server response times:

• Small lists (1-100 emails): Usually 1-3 minutes
• Medium lists (100-1,000 emails): 5-15 minutes
• Large lists (1,000+ emails): 15-60 minutes

You can monitor progress in real-time on your dashboard.

Yes, our service can verify emails from any valid domain. However, some domains may have stricter security measures that can affect verification accuracy or speed. We handle major email providers (Gmail, Outlook, Yahoo, etc.) as well as custom business domains.

Yes! We offer a free plan with 100 email verifications per month. This is perfect for small businesses, individuals, or testing our service. You can upgrade anytime as your needs grow.

Yes, you can upgrade or downgrade your plan at any time. Plan changes take effect immediately, and any unused portion of your current plan is prorated. You'll only be charged the difference for upgrades or credited for downgrades.

If you reach your monthly email limit, you'll be notified and given options:

• Upgrade to a higher plan for immediate access
• Wait for the next billing cycle (resets monthly)
• Purchase additional email credits (coming soon)

Your account remains fully functional for viewing previous results.

Our API is REST-based and works with any programming language that can make HTTP requests. We provide official SDKs and libraries for:

• Python
• JavaScript/Node.js
• PHP
• C#/.NET
• Java

Community-supported libraries are available for many other languages.

Yes, you can export your verification results in multiple formats:

• CSV format for Excel and spreadsheet applications
• Excel format (.xlsx) with multiple sheets and formatting
• JSON format for programmatic use

Export includes all verification details, timestamps, and statistics.

Yes, our API supports real-time email verification for immediate results. This is perfect for user registration forms, checkout processes, or any situation where you need instant email validation. Response times are typically under 2 seconds.

Our support team is available:

• Standard Support: Monday - Friday, 9:00 AM - 6:00 PM (UTC)
• Professional Support: 24/7 priority support
• Emergency Support: Critical issues responded to within 2 hours

Self-service resources are available 24/7 in our help center.

Yes, we provide comprehensive onboarding and training:

• Free onboarding session for all new Professional customers
• Video tutorials covering all features and best practices
• Webinars on email verification strategies and optimization
• Documentation with code examples and integration guides

Contact our sales team for custom training packages.

We offer a 30-day money-back guarantee for all paid plans. If you're not satisfied with our service within the first 30 days, we'll provide a full refund. Refunds are processed within 5-7 business days. Contact our support team to initiate a refund request.