Every email you send to a bad address damages your sender reputation. We verify every address before you hit send — so your emails land in inboxes, not spam folders.
Clean My ListA dirty email list doesn't just waste money — it actively damages your ability to reach real clients.
Every bounce hurts your domain reputation with Gmail, Outlook, and Yahoo. Too many bounces and your emails stop reaching inboxes entirely — even the real ones.
Email platforms charge per contact. Sending to invalid addresses is paying to talk to nobody. Clean lists mean every dollar goes to a real person who might say yes.
When your list is clean, your deliverability improves, your open rates climb, and more real estate agents actually see your message. That's how deals start.
Upload your list, we verify every address, you download the results. Simple as that.
CSV or paste emails directly. We auto-detect the email column and handle any format you throw at us.
Eleven-point verification: syntax, typo detection, disposable domains, role-based filtering, MX records, mailbox verification, catch-all detection, spam traps, deliverability scoring, real estate intelligence, and duplicate removal.
Get a verified list ready to send, plus a detailed report showing what was removed and why.
Every email runs through eleven independent checks before we mark it safe.
Catches formatting errors, missing @ signs, and invalid characters before anything else runs.
Spots common misspellings like gmial.com and suggests the correct domain automatically.
Flags 500+ known throwaway email services that will never convert or engage.
Identifies generic addresses like info@, admin@, and support@ that hurt deliverability rates.
Confirms the domain can actually receive email by checking its DNS mail exchange records.
Checks if the specific mailbox exists on the mail server without sending an actual email.
Identifies domains that accept email to any address — meaning the mailbox can't be individually verified.
Flags known honeypot addresses and recycled traps planted by ISPs to catch spammers — protecting your sender reputation.
Assigns a 0–100 score to every email based on all checks combined, so you can make informed send/skip decisions.
Recognizes major brokerage domains like RE/MAX, Keller Williams, and Compass — flagging high-value agent contacts.
Removes duplicate addresses before verification so you never pay to verify the same email twice.
Choose a monthly plan for ongoing cleaning, or pay once for a single list.
Verify 100 emails — no credit card, no commitment.
All plans include our full eleven-point verification engine. Monthly plans reset each billing cycle. Pay-as-you-go credits never expire.
Try it free — 100 emails, no credit card.
Verification reflects the status of each address at the time of checking. We cannot guarantee future deliverability.
You are responsible for ensuring your email campaigns comply with all applicable laws including CAN-SPAM and GDPR.
Uploaded addresses are used solely for verification and are not stored or sold.
No refunds on completed verifications. Once your list is cleaned and the report is available for download, the service is considered delivered.
For full terms, see our Terms of Service and Privacy Policy.
Disclaimer
Stellar Mail Cleaning is an email verification tool provided by StellarClose LLC. Results reflect email status at the time of verification and do not guarantee future deliverability. You are solely responsible for ensuring compliance with all applicable email laws, including CAN-SPAM, GDPR, and CASL. This service does not send emails on your behalf. Use of this service constitutes acceptance of our Terms of Service and Privacy Policy.