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.
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 >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?
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.
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.
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.
Mail-Tester alternative — without the 3-tests-a-day limit
Get the same 0–100 deliverability score, SPF / DKIM / DMARC analysis, and blacklist checks — unlimited, free, no account required. See exactly what's hurting your inbox placement in under 30 seconds.
Unlimited tests — no daily cap, no email required
Rspamd-powered deliverability score (0–100) with actionable fixes
23+ blacklists, rDNS, content & auth analysis (SPF, DKIM, DMARC)
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.
Brands rely on organic search to offset rising digital ad expenses
Enterprise marketing teams are expanding organic search architecture and local optimization to balance rising pay-per-click ad costs with durable traffic.
5 Best Payment Processors for Subscription Businesses
Choosing payment processors for subscription businesses is harder than it looks. A cheap rate can cost you more later, and these five show exactly how that happens.
How APIs Improve Modern Email Marketing Platforms
Email marketing APIs replace the weekly CSV export that makes campaigns late and lists wrong. Here is what changes day to day and how to connect safely.
Why Your Emails Are in Spam: 9 Deliverability Problems Senders Ignore (2026)
Emails going to spam even though your dashboard says delivered? Nine hidden triggers quietly hurt your inbox placement, and most senders miss at least a few of them.
Agency Outreach in 2026: Build the Follow-Up Before You Send the Pitch
Agency outreach works when the follow-up is planned first. Learn how to shape a clear offer, route replies to the right person and measure progress by the next decision.
How to Reverse-Engineer a Competitor’s TikTok Ad Strategy
Learn where to find competitor TikTok ad data, how to read hooks, offers and landing pages for strategic signals, and how to turn them into better-performing campaigns.