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.
4 Best AI Humanizers for Professional Email Communication
Most AI emails sound hollow and templated. These text humanizers help assistants write messages that feel personal without starting from scratch every time.
How to Clean an Email List Before Launching a Client Re-Engagement Campaign
Sending to a messy email list kills your campaign twice. Bad addresses wreck deliverability while inactive contacts ignore your message. Clean your list first and watch your open rates climb.
Business Management Software by Category: What Actually Fits Your Company (2026)
Business management tools aren't interchangeable. Choosing the wrong category costs you time and money. Here's how to pick the one that actually fits your team.
Profitnix OÜ's Editorial Review Process for Brand-Aligned Content Performance
What happens when a piece of content technically performs but quietly drifts off brand? Profitnix OÜ built its review process around that exact gap.
The Audience Behavior Framework Behind Gentenox Enterprises Limited's Content Distribution Decisions
Which channel gets the budget, and why? Gentenox Enterprises Limited breaks down the audience behavior framework behind seven distribution decisions most teams still make by instinct.
5 Content Governance Principles Limanovio Limited Applies to Multi-Contributor Platforms
More contributors do not require more approval steps. Limanovio Limited outlines five governance principles that keep multi-contributor platforms consistent without adding layers of review.