Upload your email list, get comprehensive verification results, and export clean data. SendSure's bulk verifier processes 30,000+ emails per minute with 99% accuracy.
Invalid emails in your list cause real damage. SendSure fixes that.
Bounce rates above 3% destroy your sender reputation and get you blacklisted by ESPs.
You're paying ESPs to send to addresses that don't exist. That's money thrown away.
Bad data skews your analytics. You can't optimize what you can't accurately measure.
Once your reputation is damaged, even good emails land in spam instead of inboxes.
Upload or import your list, verify your emails, analyze the results, and export them. SendSure gives you results in minutes.
Upload CSV files or paste emails directly. Connect integrations like Mailchimp, HubSpot, or Salesforce.
Our 18-check verification engine validates every email in real-time with 99% accuracy.
View comprehensive reports with quality scores, risk flags, and actionable insights.
Download clean lists as CSV. Filter by validity, risk level, or specific flags.
Keep your sender score high to ensure inbox placement.
Avoid getting blacklisted and emails landing in spam folders.
Ensure good campaign results in the short and long term.
Free your list from invalid emails that hurt your reputation.
Be confident your emails are seen and delivered to the inbox.
Remove bad emails that reduce your engagement rates.
Drive more engagement by sending only to deliverable addresses.
Remove misspelled, fake, and non-existent emails.
Stop being charged to send to invalid contacts in your list.
Every email goes through our multi-layer verification process
SendSure is built for enterprise-level security. Your email lists are encrypted in transit and at rest, processed securely, and automatically deleted within 30 days.
Choose the solution that best fits your workflow.