VERIFY EMAILS ARE REAL FROM ANYWHERE AT ANYTIME
We go where you go
Regardless of where you are in the world or what device you are using. If you can access the internet your Bulk Email Checker Control Panel is online and ready to verify email addresses.
INSTANT INTEGRATION WITH THE TOP NAMES SENDING EMAIL
Instant Integration
If you use any of these services to send your emails, you can copy and paste a single link into your account to quickly integrate the blacklist tracker. When these company’s receive an error (bounce, spam, etc) from sending your email, they will instantly add the address to your Bulk Email Checker Blacklist to prevent it from finding its way back in your clean lists ever again, for free.
Why Choose Bulk Email Checker?
Industry-leading email verification trusted by thousands of businesses worldwide
What is Bulk Email Checker?
A powerful web application that verifies if email addresses are real or fake. Perfect for anyone who sends emails regularly.
How Does It Work?
Every email passes through our 17+ factor verification test including RFC validation, duplicate filtering, and deep SMTP verification.
How Can I Verify Emails?
Upload CSV or text files for bulk verification, or integrate our REST API directly into your website or application.
Unbeatable Pricing
While competitors charge $0.01 per verification, we offer 10 verifications for the same penny. Clean 10,000 emails for just $9.95.
Bulk Email Verifier
Our bulk email verifier accepts CSV and tab-delimited file uploads containing thousands or even millions of email addresses. The bulk email verifier automatically removes duplicates, validates RFC-compliant syntax, and filters against our continuously updated database of thousands of disposable email providers. Previously failed addresses on your account blacklist are also filtered at no additional cost.
Every email address is processed through comprehensive validation that includes DNS and MX record checks, disposable detection, and deep SMTP verification. The system connects directly to destination mail servers to confirm that each mailbox exists and can receive mail, giving you the cleanest possible email list.
- Automatic Duplicate Removal - Instantly removes duplicate entries from your list
- RFC Format Validation - Ensures proper email syntax compliance
- Disposable Email Filter - Constantly updated filter for temporary email detection
- Role Account Detection - Identifies info@, admin@, support@ addresses
- Invalid MX Filtering - Detects domains with missing or invalid mail exchange records
- Multi-Column Spreadsheets - Upload files with up to 100 total columns
- Invalid DNS Filtering - Removes emails with bad domain records
- Deep SMTP Verification - Connects to mail servers to confirm mailbox existence
- Blacklist Integration - Auto-filters your account's blacklisted addresses
- Free Blacklist Checks - Previously failed addresses verified for free
- Catch-All Detection - Identifies domains that accept all emails regardless of mailbox
- Greylisting Detection - Handles servers that temporarily reject emails for spam prevention
Real-time Email Verification API
Invalid email addresses cost businesses thousands in lost conversions and damaged sender reputation. Studies show that up to 20% of email signups contain intentionally fake addresses, typos, misspellings and common errors like "hotmail.con", "gnail.com", and "yahoo.cmo" slip through standard form validation undetected.
Our Email Verification API validates email addresses in real-time at the point of entry. Integrating directly into your signup forms, checkout pages, or CRM systems to catch invalid emails before they ever reach your database.
Instant SMTP Verification
The Bulk Email Checker API performs comprehensive email validation including syntax checks, DNS/MX record verification, and deep SMTP mailbox verification that is measured in millseconds. Reduce confirmation email bounces drastically and protect your sender reputation from the start.
- Instant Validation - Results in milliseconds, at the point of entry
- Reduce Bounces 90%+ - Catch misspelled domains before submission
- Typo Detection - Identifies common mistakes like hotmail.con, gnail.com
- Deep SMTP Test - Full mailbox verification in real-time
- Disposable Email Filter - Block temporary email addresses
- REST API - Easy integration with any website or application
Unlimited Email Verification API
Scale your email verification with dedicated cloud infrastructure. The Unlimited Email Verification API uses a simple thread-based model where each thread represents a dedicated, concurrent connection that processes one verification at a time. Increase your thread count to verify more emails in parallel with truly unlimited monthly volume.
Ideal for real-time verification on signup forms, continuous list hygiene in your CRM, large batch jobs against data warehouses, or offering built-in email verification inside your own SaaS platform. All plans are month-to-month with no long-term contracts.
- Dedicated Resources - Private cloud infrastructure for your API requests
- Unlimited Volume - No monthly limits on verifications
- Concurrent Threads - Scale from 1 to 50+ parallel connections
- Full SMTP Testing - Same high-accuracy checks as our standard system
- REST API with JSON/XML - Compatible with any programming language
- Cancel Anytime - Upgrade, downgrade, or cancel from your dashboard
Enterprise-Grade Data Security
Your data security is our highest priority. Bulk Email Checker implements enterprise-grade security protocols designed to protect your sensitive information at every layer. All data transmitted to our platform is secured using TLS 1.3 encryption with 256-bit AES, ensuring complete protection against interception during transit.
Client data is stored in isolated, encrypted containers with strict access controls. Our proprietary encryption architecture ensures that your email lists remain completely private and accessible only through your authenticated account. This zero-knowledge design means that not even Bulk Email Checker personnel can access your data, providing you with complete confidentiality and peace of mind.
- 256-bit SSL Encryption - All data transmission is encrypted with bank-level security
- Isolated Data - Your data is stored in independent containers
- Two-Way Encryption - Military-grade encryption methods for data at rest
- Zero Staff Access - Not even our team can view your email lists
- SOC 2 Type II Compliant - Independently audited security practices
- GDPR & CCPA Ready - Full compliance with privacy regulations
- HIPAA Ready - Compliant infrastructure for healthcare data requirements
Blacklist Tracking
Are you using MailChimp, Mailjet, Mailgun, Mandrill, Postmark or SendGrid to send emails? Each service seamlessly integrates with your Bulk Email Checker account to provide additional protection. When sending mail from these services any bounces, spam complaints, unsubscribers, basically anything harmful to your sender score is instantly added to your Bulk Email Checker blacklist to prevent the email address from making its way back into your clean lists ever again.
If the user has a change of heart you can easily remove the blacklisted email from your control panel. The system will also keep track of any addresses you have verified as failed to ensure you are only paying to verify new never before seen email addresses. All blacklisted emails fail for free and will not consume any credits when verified.
- Simple ESP Integration - MailChimp, Mailjet, Mailgun, Mandrill, Postmark, SendGrid
- Auto-Blacklist Bounces - Blacklisted emails never make it back to your clean lists
- Spam Complaint Tracking - Protect your sender reputation
- Unsubscriber Tracking - Automatically remove unsubscribed addresses
- Free Blacklist Verification - Blacklisted emails verified at no charge
- Easy Removal - Unblacklist addresses from your control panel
- Never Pay Twice - Previously failed addresses don't consume credits
Google Sheets Integration
If you use Google Sheets to manage your spreadsheets, you can easily integrate Bulk Email Checker in a few quick steps. Our REST API offers an XML response when requested which allows you to verify email addresses directly from within your spreadsheet on Google Sheets. No need to export your data—verify emails right where you work.
- Native Google Sheets Support - Works seamlessly with Google Apps Script
- XML Response Format - Perfect for spreadsheet integration
- JSON Also Available - Flexible data format options
- Bulk Column Processing - Verify entire columns at once
- Real-time Results - See verification results instantly in your cells
- Quick Setup - Get started in just a few minutes
WordPress Plugin
The Bulk Email Checker WordPress Plugin adds real-time email verification to your comment forms, user registration, and contact forms. Install and configure in minutes with no coding required. The plugin validates every email address at the point of entry, blocking spam signups and ensuring you capture accurate contact information from real visitors.
Compatible with all major WordPress form builders including Contact Form 7, Gravity Forms, WPForms, and Ninja Forms. When a visitor enters an invalid or disposable email address, they receive an instant notification to correct their entry before submission. Stop losing leads to typos and fake emails.
- 2-Minute Installation - Seamless setup with no coding required
- Comment Form Protection - Block spam comments with invalid emails
- User Registration Validation - Verify emails during account creation
- Contact Form Integration - Works with Contact Form 7, Gravity Forms, WPForms
- Real-time User Alerts - Notify users of invalid email before submission
- Block Disposable Emails - Stop fake signups from temporary addresses
- Never Lose a Lead - Catch typos at the point of contact
Microsoft Excel Integration
Power users who rely on Microsoft Excel can leverage our WEBSERVICE function integration to verify email addresses directly within their spreadsheets. Our REST API returns XML responses that Excel can parse natively, allowing you to build powerful email validation workflows without leaving your familiar Excel environment.
Whether you're using Excel 2016, Excel 365, or Excel Online, you can set up email verification formulas that automatically validate addresses in real-time. Perfect for data analysts, marketers, and sales teams who manage large contact lists in Excel.
- Excel 2016+ Compatible - Works with modern Excel versions including Office 365
- WEBSERVICE Function - Native Excel function for API integration
- XML Response Parsing - Use FILTERXML to extract verification results
- Bulk Column Processing - Verify entire columns with drag-fill formulas
- Excel Online Support - Works in browser-based Excel too
- No Macros Required - Pure formula-based solution, no VBA needed
MX Record Lookup
Go beyond simple email validation. Our API returns comprehensive mail server intelligence with every verification, giving you deep insights into the recipient's email infrastructure. Understand where emails are hosted, which ISP manages their mail servers, and the geographic location of their infrastructure.
Perfect for lead enrichment, fraud prevention, geographic targeting, and compliance workflows. All enrichment data is included free with every API request—no additional cost or separate API calls required.
- MX Server IP & Hostname - Primary mail server details for the domain
- Geolocation Data - Country, state, city, postal code, and continent
- Timezone & Coordinates - Send emails at optimal local times
- ISP & Organization - Identify the hosting provider (Google, Microsoft, etc.)
- ASN Information - Autonomous System Number and organization name
- All MX Records - Complete list of backup mail servers and IPs
Frequently Asked Questions
Everything you need to know about email verification
Email verification is the process of confirming whether an email address is valid, deliverable, and belongs to a real mailbox. It protects your sender reputation by preventing bounces, reduces wasted marketing spend on invalid addresses, improves email deliverability rates, and helps maintain compliance with anti-spam regulations. Businesses typically see a 20-40% improvement in campaign performance after cleaning their email lists.
Bulk Email Checker achieves 97% accuracy through our comprehensive 17+ factor verification process. We perform deep SMTP mailbox verification, DNS/MX record validation, syntax checks, disposable email detection, role-based email filtering, and catch-all domain identification. Our system connects directly to mail servers to verify mailbox existence in real-time, ensuring the highest possible accuracy rates in the industry.
Bulk Email Checker supports CSV and TXT file imports for bulk email verification. Our REST API integrates with any programming language or platform, and we offer select native plugins for popular systems. For developers, we provide comprehensive API documentation with code examples in PHP, Python, JavaScript, Ruby, and more. You can also integrate directly with Google Sheets and Microsoft Excel for seamless email list cleaning workflows.
Absolutely. We implement enterprise-grade security including TLS 1.3 encryption with 256-bit AES for all data transmission, isolated encrypted containers for each client's data, and a zero-knowledge architecture that prevents even our staff from accessing your email lists. We are SOC 2 Type II compliant, GDPR ready, CCPA compliant, and HIPAA ready. Your data is automatically purged from our servers after processing unless you explicitly choose to retain it.
Pay-as-you-go pricing is ideal for one-time list cleaning or occasional verification needs—you purchase credit packages (starting at $9.95 for 10,000 verifications) with no expiration. The Unlimited API is designed for continuous, high-volume verification with a monthly subscription that includes unlimited verifications and dedicated concurrent threads. Choose pay-as-you-go for batch jobs and list hygiene, or Unlimited API for real-time validation integrated into your signup forms, CRM, or SaaS platform.
Simple, Transparent, Pay As You Go Pricing
No subscriptions, no contracts. Just pay for what you need.