Email Verification & Deliverability Platform | Mailthentic
Mailthentic
Email verification & deliverability platform

Clean Your Email Lists Before They Cost You Customers.

Mailthentic verifies email addresses, cleans your email lists, and detects invalid, disposable, catch-all and risky emails so your campaigns improve deliverability and land in the inbox, not the spam folder.

Reduce bounce rates Improve deliverability Protect sender reputation
No credit card required CSV / XLSX upload Results in minutes

Overview

+ New ListUpload List
Deliverable
0
75.8%
Risky
0
20.5%
Invalid
0
2.5%
Unknown
0
1.1%
Status Distribution
0Total
Deliverable1,322
Risky358
Invalid43
Unknown20
Detailed Breakdown
Deliverable75.8% · 1,322
Risky20.5% · 358
Invalid2.5% · 43
Unknown1.1% · 20
Recent Processed Lists
test_job_61.xlsx · 1,743 contactsDONEMay 10, 2026View
0
Emails Verified
0
Verification Accuracy
< 5 min
Average Processing
0
Customers Worldwide
0
Platform Uptime
Sending to 50,000 emails?
One bad list can destroy your sender reputation.
High Bounce Rates
Damage your domain and sender reputation.
Spam Folder
Good emails end up where no one sees them.
Lost Customers
Missed opportunities and lost revenue.
Mailthentic Solves This.
We help you reach the inbox, where it matters.
How it works

Verify. Clean. Organize. Grow.

A simple 4-step process to verify email addresses, clean your email list, and run bulk email verification before every campaign.

1
Upload Your List
Drag & drop CSV or Excel files in seconds.
leads.csv
25,000 contacts
Uploading...100%
2
Verify Every Email
Our 9-point engine checks syntax, DNS, MX, SMTP, and more.
Verifying 25,000 emails
Deliverable21,500
Risky2,800
Invalid500
Unknown200
Deliverable rate86.0%
3
Organize Your Contacts
Filter, search, and manage only verified contacts.
Search contacts...
Deliverable21,500
Risky2,800
Invalid500
Unknown200
4
Export or Sync Anywhere
Export clean lists or push them directly to your CRM.
HubSpot HubSpot
Salesforce Salesforce
Brevo Brevo
Mailchimp Mailchimp
Filter
Search contacts
ExportSend to CRM
EmailStatusConfidenceCampaign
james@company.comDeliverable
89%
Welcome Campaign
maria@startup.comRisky Catch-all
54%
Product Update
info@temp-mail.comInvalid
6%
--
sophie@business.ioDeliverable
92%
Newsletter
alex@workmail.comDeliverable
88%
Onboarding
Contact management

Your verified email contacts. Ready for your next email campaign.

A reusable, clean contact database with built-in email list management. Filter and segment verified contacts, then sync them to your CRM to protect email deliverability on every send.

  • Advanced filters by status, domain, and campaign
  • Confidence scores so you know what to trust
  • Remove invalid or risky contacts in one click
  • Export clean lists or sync to your favorite CRM
  • Reuse verified lists anytime
Explore Dashboard
Seamless integrations

Connect. Sync. Keep your data clean everywhere.

Two-way CRM integration for email marketing and sales automation. Import lists, verify, and push clean, verified contacts back to HubSpot, Salesforce, Brevo, Mailchimp, Zoho and more.

HubSpotHubSpotSalesforceSalesforceBrevoBrevoMailchimpMailchimpPPipedriveZohoZohoKKlaviyoAActiveCampaign HubSpotHubSpotSalesforceSalesforceBrevoBrevoMailchimpMailchimpPPipedriveZohoZohoKKlaviyoAActiveCampaign
CSV
Mailthentic
Your CRM
Campaign
Built for every team

Solve real problems. Drive real results.

Trusted for bulk email verification and email deliverability by marketing teams, agencies, SaaS companies, recruiters and eCommerce businesses.

Marketing Teams

Improve deliverability and boost campaign performance.

Sales Teams

Reach more prospects with clean, verified contact lists.

eCommerce

Recover revenue with validated customer emails.

SaaS & Startups

Prevent fake signups and protect your sender reputation.

Agencies

Deliver better results for clients with clean email data.

Recruiters

Contact candidates with valid, verified email addresses.
View all use cases →
Our 9-point email validation engine

Every email passes through 9 powerful verification layers.

Each address runs syntax validation, DNS lookup, MX verification, SMTP verification, SPF, DKIM and DMARC authentication, plus disposable and catch-all detection, before it gets a confidence score, in the dashboard or via our real-time email verification API.

Syntax
Validation
DNS
Lookup
MX
Check
SMTP
Verification
SPF
Check
DKIM
Check
DMARC
Validation
Disposable
Detection
Catch-all
Detection
Trusted by thousands

Better email data. Better deliverability. Better campaigns.

0
Bounce Rate Reduction
Cleaned 420K contacts before product launch. 250K emails verified in under 3 hours.
0
Verification Accuracy
Across 2.1M email addresses verified over 6 months. Sender score improved from 72 to 94.
0
ROI on Email Campaigns
After removing 38% invalid addresses from CRM. Open rates increased from 12% to 28%.
★★★★★

"Mailthentic helped us clean our entire database and improve deliverability dramatically. Our open rates increased by 42% in the first month."

SJ
Sarah Johnson
Head of Marketing, Finova
Loved by agencies

Agencies grow their clients with Mailthentic

Marketing, lead-gen and email agencies route every client list through Mailthentic to protect deliverability and prove ROI.

Genflow The Good Marketer Make Agency London Marketing Company
★★★★★

"Our creators send to huge audiences, so list hygiene is everything. Mailthentic verifies our subscriber lists at scale and keeps every product launch landing in the inbox instead of spam."

GF
GenflowCreator Growth Platform
★★★★★

"We manage paid and email for dozens of SMB clients. Cleaning every list through Mailthentic cut bounces and protected our clients' sender reputations across the board."

GM
The Good MarketerDigital Marketing Agency, London
★★★★★

"Fast, accurate and easy to plug into our workflow. Mailthentic's bulk verification is now a standard step before any client email campaign goes out."

MA
Make AgencyCreative & Growth Studio, Shoreditch
★★★★★

"For performance clients, deliverability is revenue. Mailthentic gives us clean, verified lists so every send counts and our campaign numbers stay honest."

LM
London Marketing CompanyFull-Service Digital Agency
Join the community

Follow Mailthentic

Deliverability tips, product updates and email marketing insights. Follow us wherever you spend your time.

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Frequently asked questions

Email verification checks whether an address is valid, active and able to receive messages without sending an actual email. It cuts bounces that damage your sender reputation and inbox placement.

No. Verification uses DNS lookups and SMTP handshakes to confirm a mailbox exists without delivering any message, so your contacts are never emailed.

Yes. Upload a CSV or Excel list and Mailthentic verifies the whole list in minutes with live progress, then lets you download clean results or push them to your CRM.

Yes. The 9-point engine flags catch-all domains, disposable addresses and role accounts, with greylisting retry for mailboxes that defer the first attempt.

Yes. Every new account receives 1,000 free verification credits on signup, no credit card required.

Ready to improve your deliverability?

Join thousands of businesses that trust Mailthentic to keep their email lists clean and their campaigns successful.

Clean My List Free1,000 credits View Pricing
No credit card required · Cancel anytime