Validate your entire email list, eliminate bad addresses and improve deliverability instantly.
Our multi-layered email validation goes beyond syntax checks to protect your sender reputation, prevent bounces, and boost inbox placement — not spam folders.
We verify that the domain behind an email is real, active, and properly configured — because emails sent to broken or expired domains result in hard bounces that email providers penalize. ✓ Domain registration ✓ MX records ✓ DNS configuration
We test whether the mail server can actually accept incoming messages — because a valid-looking email is useless if the server refuses SMTP connections. ✓ SMTP connectivity ✓ Server response ✓ Mail server reachability
We check whether an email or domain appears on spam or abuse blacklists — because sending to blacklisted addresses can hurt your sender reputation and push future emails straight to spam, even to valid contacts. ✓ Blacklist status ✓ Spam trap detection ✓ Risk scoring
We identify what kind of email address you’re dealing with — because not all valid emails are worth sending to. ✓ Professional emails ✓ Role-based emails ✓ Disposable emails
Eliminate bounces with AI-powered validation — trusted by 10,000+ businesses.
Validate emails in real time, every time — 5x faster than competitors.
99.9% SLA-backed availability — zero downtime, even during peak demand.
Stop losing money, reputation, and time to invalid email addresses.
Ensure your emails reach the inbox instead of being marked as spam. Email validation helps improve deliverability rates by cleaning your list and maintaining a good sender reputation.
Save time and money by eliminating wasted efforts on invalid or unengaged leads. Clean your email list to maximize the efficiency of your marketing campaigns.
Avoid being blacklisted by email providers by ensuring your emails don't go to addresses flagged for spam or abuse. Sending emails to these problematic addresses can lead to your own email being blacklisted, severely damaging your sender reputation and impacting your ability to deliver future emails effectively.
Eliminate bots and fake signups to keep your email list authentic and high-quality. This improves engagement and ensures your campaigns reach the right audience.
Selleaser is an all-in-one sales platform. Here's your full workflow from validation to conversion.
Upload your contact list or extract emails from LinkedIn with our extension. Every address is verified instantly—invalid emails, spam traps, and risky domains automatically removed.
Every verified email comes with full contact details—name, job title, phone, LinkedIn profile—and company information like industry, size, and location automatically attached.
Create multi-step email sequences with personalized variables and automated follow-ups. We handle deliverability and inbox placement while you book meetings and close deals.
Selleaser is an all-in-one sales platform. Here's your full workflow from validation to conversion.
Avoid bounce rates that could push investor updates or customer announcements straight to spam.
Verify prospect lists before running outbound experiments, partnership outreach, or early-stage PR campaigns.
Clean data ensures your first impressions—product launches, fundraising emails, and onboarding sequences—always land.
We use a multi-layer email verification process that includes domain and MX checks, SMTP server testing, reputation and blacklist screening, and email type classification — so you only send emails that actually work.
Yes. Email validation is completely free — no credit card, no limits, no trial expiration. Verify emails whenever you need.
An SMTP check verifies whether the mail server accepts incoming emails. Some addresses look valid but reject SMTP connections, making delivery impossible.
Never. Your files are encrypted in transit and at rest, processed only for verification, and automatically deleted after 24 hours. We are fully GDPR and CCPA compliant — we never store, sell, or share your contact lists.
Email validation checks if an address is correctly formatted—no typos, valid syntax. Email verification goes further and confirms the mailbox actually exists via SMTP handshake.At Selleaser, we do both automatically. Every check includes syntax validation, domain health, SMTP verification, and blacklist screening—so you only send to real, safe addresses.
No. Our email validation is completely safe and does not send real emails or notify recipients.
