Sendbridge

The best email list cleaning service Protect your sender reputation and reduce your bounce rate with email verification service. Keep your mailing lists free of invalid, risky, and mistaken email addresses. Start free — 100 checks/month   > AI-powered verification Email verification quickly flags invalid or undeliverable emails and identifies risky types like spam traps, role accounts, catch-all servers, and disposable addresses. This keeps your email list clean, improves deliverability, and protects your sender reputation. Detailed email verification reports Every email address verification is categorized as Deliverable, Undeliverable, Risky, or Unknown. A simple app Use our client area to simply upload your email list and download the email verification results once they are ready. Real-time email verification API Simple to integrate real-time email verifier with any of the popular coding languages like Go, Java, PHP, Python and .NET. Email list cleaning Super-fast email checker, with 99% accuracy Keep your contact list clean from wrong, risky, or misspelled email addresses. This helps lower the chances of your emails bouncing back and keeps your reputation as a sender safe. Plus, ensure that your important emails reach your customers' inboxes and don't end up in the spam folder, thanks to the smart email verification by SendBridge. If you send emails to addresses that are fake, invalid, or spammy, your email bounce rate goes up, and fewer people click on your emails. This can seriously hurt your email marketing results and make it harder for your emails to reach people in the future. You don't want your company's email reputation to take a hit. Improve your chances of getting more people to take action by using email verification software that's 99% accurate. Start free — 100 checks/month   > From good to great What happens if I don’t verify my email? If you’re not using email verification, you might think your business is unaffected. The truth is - your email sender's reputation is at stake. When you email invalid, fake, or spammy email addresses… Every verified email counts Prevent email bounces and complaints by handling emails like a pro. Opt for the top email verification service to check and remove invalid, disposable, and potentially harmful email addresses when sending bulk emails. Start free — 100 checks/month   > Get 100 free email verifications every month. How to verify your email lists with SendBridge? 1 Create account With a free account, you can check up to 100 email addresses per month. If you need more, please see the pricing for more information. 2 Upload your email list for email delivery verification Ensure the accuracy and deliverability of your email campaigns by effortlessly uploading your email list for comprehensive delivery verification. 3 Download your new clean email list Retrieve your cleaned email list with ease, available in Excel XLSX, CSV, or TXT formats, maintaining the same order as your initial upload for seamless integration into your preferred systems. Starting email verification with SendBridge is easy, fast, and free. It only takes a few clicks to get started Start free — 100 checks/month   > Built for accuracy Clean your email list and reach your customers Enhance your email marketing strategy and maximize ROI by cleaning your email list. A curated and verified email list improves deliverability and ensures your messages reach engaged and interested customers. Cleaning your email list is crucial for cold emailing. It helps establish a positive sender reputation and reduces the risk of your emails being marked as spam. By maintaining a clean email list, you optimize your campaign's effectiveness and foster stronger connections with your target audience, ultimately boosting the return on investment for your email marketing efforts. Articles & resources Tips & tricks about email verification and email deliverability. Top 6 Digital Tools for Business Growth and Productivity in 2026 Want to streamline your business for success? Find a list of the 6 best digital tools that will help. Explore the best solutions with practical tips for efficiency. Why Experienced Writers Build Trust in Real Estate Hire a freelance writer to make your listings sound credible, not salesy. See the subtle wording shifts that build trust and get buyers to stick around. Top 10 AI CRM Tools to Boost Sales Performance AI CRM can give reps hours back every week, but only if you pick the right one. See the 10 tools that actually cut admin and boost pipeline speed. From Free Tools to Pro Solutions: Why Premium IT Services Pay Off Premium IT services sound pricey until you see what free tools really cost you in lost time, surprise limits, and privacy leaks. Here is what changes fast. Why General Contractors Lose Money When Their Emails Don’t Reach the Client Email verification for contractors is the quiet fix for ghosted estimates and late payments. See where one missed message breaks your revenue chain. Email Habits That Could Be Harmful To Your Business Email communication going sideways at work? Spot the small habits that tank productivity and customer trust, then fix them fast with simple rules. Grow your business with email verification tools Start free — 100 checks/month   > --> --- Check if any email address is real with the best email checker An email checker, also called an email verifier, helps you make sure an email address is real and can get messages. Verifying emails is important before contacting someone new because it stops your emails from bouncing back and protects your reputation as a sender. Get started for free   > Learn how it works 100 Free Credits Every Month How we verify emails When we verify emails with our service, we use a smart process to make sure your emails are valid and can be delivered. We run more than 21 detailed checks on each email address, using advanced AI technologies. This clever method not only finds common mistakes but also checks if the email is real and can reach the right inbox. Our system keeps getting better, learning from each check to improve accuracy. This makes it a must-have tool for anyone who needs dependable and effective email communication. Domain & DNS check Confirms that email addresses point to valid, active domain name. Mail Exchanger (MX) test Detects email addresses that don’t have a valid mail exchanger. DNS A record test Some emails can be delivered even when mail exchanger (MX) is not defined. Syntax Validation Checks each email address against universal formatting standards. Catch-all detection Identifies mail exchangers that accept all emails to their domain, including fake, false or non-existing ones. Role Account Detection Highlights common role accounts, which are generic addresses often not belonging to real person. Disposable Email Check Identifies temporary addresses created by known disposable email providers (EmailOnDeck, YOPmail, ...). Free Email Detection Want to avoid free email providers from your mailings? We flag them for you so you can easily filter them out. Suspected Bounce We mark down the email address that bounced in our SMTP relay service before. Unusual Name Detection Identifies unusual user name (name before @ sign). Duplicates removal Identifies duplicate email addresses so that you don't pay twice to verify the same address. Automated Email Scoring Each verified email address receives a sending score. ... and 9+ other tests. Email Checker Improve deliverability of your next campaign Up to 25% of emails in your existing email list may be bad. Guaranteed 99% delivery rate with your verified email list. Protect your sender reputation and reduce your bounce rate. Save money on email marketing. Increase ROI of your email campaigns Email Verification FAQ What is email verification? Email verification is a process that checks if an email address is real and can receive messages. Before sending an email, verification helps to make sure the address is correct and belongs to a real person. This process can prevent sending emails to wrong or fake addresses, reducing the chance of bouncing back. It helps keep email lists clean and makes sure that important messages reach the right people. How does email verification work? Email verification works by checking if an email address is valid and exists. First, it checks the format to make sure it follows the standard email rules. Then, it verifies the domain (like gmail.com) to see if it’s active. Finally, it connects to the email server to check if the specific email address can receive emails. Some services even send a test email to confirm. This way, email verification helps avoid sending messages to wrong or fake addresses, ensuring emails reach real people. Why is email verification important? Email verification is important because it ensures that your emails reach real people. It helps keep your email list clean by removing fake or incorrect addresses, which reduces the chance of emails bouncing back. This improves your email delivery rates and protects your sender reputation. Plus, verified emails mean you’re reaching genuine users who are more likely to engage with your content, making your email campaigns more effective. Overall, email verification saves time, improves communication, and helps maintain a good relationship with your audience. How to do email verification? To do email verification, start by creating a free account. You can upgrade to a paid plan later if needed. Once your account is set up, you can verify emails in two ways: by checking a single email address or by uploading a list of addresses in a CSV or TXT file. The service will process the addresses and give you the verification results, showing which emails are valid and which are not. This helps you clean up your email list and ensures your messages reach the right people. How to implement email verification? Sign up for an account and integrate the service with your website or application using our email verification API. When users sign up or enter their email address, your system will send the email to our email verification service. The service will quickly check the email's format, domain, and server to ensure it’s valid. You can then get the results and decide if the email should be accepted or rejected. This integration helps keep your email list clean and ensures you’re only collecting valid email addresses. What are the current best practices for email verification? Current best practices for email verification include using a trusted email verification service to regularly clean your email list. Always verify email addresses at the point of entry, like during sign-up or before sending out campaigns. Use double opt-in, where users confirm their email address by clicking a link in a confirmation email, to ensure accuracy. Monitor your email bounce rates and remove invalid addresses promptly. Protect user data by complying with privacy regulations. These practices help maintain a healthy email list, improve deliverability, and ensure your emails reach real and engaged users. Starting email verification with SendBridge is easy, fast, and free. It only takes a few clicks to get started Start free — 100 checks/month   > Have any questions? Get in Touch --> --- Verify email addresses with real-time email verification API Get started for free   > Create API key Get 100 free credits every month. Simple & secure API Requested using an easy-to-integrate URL structure, delivered in lightweight JSON format, and secured via 256-bit HTTPS encryption. Detailed verification response Receive 10+ evaluation factors including verification score. Full verification Verify email addresses as they come into your system and make sure you only send email to real customers and high-value contacts. Save money Saves time and money in cleaning up your list by verifying emails as you collect them. Email checker API Welcome to Sendbridge's Email Verification API – your key to supercharging email campaigns! Eliminate bounced emails, fake addresses, and wasted resources with our cutting-edge API. Real-time verification ensures your emails reach the right inboxes every time. With industry-leading accuracy and fast response times, our API integrates seamlessly into your workflow, helping you achieve higher open rates, better engagement, and an improved sender reputation. Don't let invalid emails hold you back – unlock the full potential of your email marketing with Sendbridge's Email Verification API today! Getting started with email verification API Start using email verification service within a few minutes. Create an account to get a free API key Email verification API usage GET https://api.sendbridge.com/v1/validate// Example: GET https://api.sendbridge.com/v1/validate/hLxD5h0erBu4WBdRJI9lMi/tested@emailabc123.com Verification API sample response { "email":"tested@emailabc123.com", "freemail":false, "valid_syntax":true, "abnormal_local_part":false, "abnormal_domain":false, "local_part_too_long":false, "shared":false, "valid_tld":true, "disposable":false, "mx_valid":true, "a_valid":null, "temporarily_undeliverable":false, "score":99, "time_taken":"0.09" } Email verification API integration examples Email validation in PHP Email validation in Python Email validation in Java Email validation in C# Email validation in GO Field Values Description email email address An original email address that has been submitted for a test. freemail true / false Is email based on a freemail service like Gmail, Yahoo, Outlook etc.? valid_syntax true / false Is the email address syntactically valid? abnormal_local_part true / false Is the email local part (before @) somehow abnormal? abnormal_domain true / false Is the email domain part (after @) somehow abnormal? local_part_too_long true / false Is the email local part (before @) longer than is usual? shared true / false Is the email local part a shared account? valid_tld true / false Does the email domain have a valid top-level domain (TLD)? disposable true / false Is the email address based on email disposable service? mx_valid true / false Does the domain have a valid Mail Exchanger (MX) DNS records? a_valid true / false Does the domain have a valid A DNS records? This value is null when domain has valid MX records (A test is not performed) temporarily_undeliverable true / false / null The remote server has reported temporary errors. score 0 - 99 A resulting score of email validation. The higher number is better. time_taken decimal Time taken to process your API request in seconds. Get started for free   > Create API Key Get 100 free credits every month. --> --- Free Email Verification Tool Verify Enter an email address to check in real time if the email address is valid. You'll get results within a second to see if it's properly formatted and if that mailbox exists and is able to receive the email. The email verification test is done without ever sending an email! What is email checker? An email checker is a handy tool that helps you find out if an email address is valid and really exists. Think of it as a quick check-up for email addresses. When you use an email checker, it goes through several steps to see if the email can receive messages. This is useful for businesses or anyone who sends out a lot of emails, as it helps avoid wasting time sending messages to addresses that don't work. It also protects you from spam and keeps your email list clean and efficient, ensuring your important emails reach the right people. SendBridge's Email Checker is designed to check email lists containing hundreds of thousands of email addresses and more. Register for free and get first 100 verifications for free with our bulk email checker. How is the email verified? SendBridge verifies emails through a comprehensive process of a 21+ checks to ensure the validity and deliverability of email addresses. Here's a summary of how it's done: Syntax Validation and Additional Checks: Every email is checked for standard email formatting rules. The system also identifies catch-all domains, detects generic role-based accounts, spots disposable email addresses from known providers, and checks for duplicates within the list. Domain and DNS Check: The system confirms that the email addresses are linked to valid and active domain names, ensuring the foundational integrity of the email. Mail Exchanger (MX) Test: This step involves checking that the email addresses have a valid mail exchanger set up, which is essential for receiving messages. These steps collectively ensure that each email address on your list is not only formatted correctly but also exists and can receive emails. This improves the overall health of your email marketing efforts and protects your sender reputation. Free Google Chrome Extension Get from Chrome Store Email List Cleaning We make email hygiene easy. With our pay as you go service you can easily upload and verify your entire email list within a few minutes. Create Free Account Starting email verification with SendBridge is easy, fast, and free. It only takes a few clicks to get started Start free — 100 checks/month   > -->