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Intercom Email Verification Integration
Clean your Intercom contacts with Mailthentic to cut bounces and protect sender reputation. A native Intercom connector is available on request, and you can verify your list today.
Native connectors are built on request for customers on a paid plan.
Why verify your Intercom lists
Intercom creates leads and users from chat widgets and product signups, which means fake and mistyped addresses enter your workspace automatically. Those addresses then receive onboarding series and outbound campaigns, and every bounce lands against the domain you use for product email, the one that also carries password resets and receipts. Verifying your Intercom contacts protects your transactional deliverability, not just your marketing.
Intercom is a customer messaging platform combining live chat, product tours, help centre and outbound email for onboarding, announcements and lifecycle campaigns. Contacts are created from chat visitors, signups and API imports.
How Intercom verification works
Verify your Intercom list today in three steps.
Export your Intercom contacts as a CSV
From Contacts, filter the users or leads you want to clean and export the segment to CSV. Any file with an email column works.
Upload the CSV to Mailthentic's bulk verifier
We verify every address: syntax, domain and MX, disposable, catch-all, role based and risky patterns, with a clear verdict per contact.
Download the clean list and import it back into Intercom
Re-import or tag the deliverable contacts and exclude the invalid ones from outbound. Paid customers can request a native Intercom integration and our team will build it, removing the CSV step.
Want to skip the CSV step? Request the native Intercom integration and our team builds it for you.
Benefits for Intercom users
Fewer bounces on outbound messages
Invalid contacts captured by the messenger or signup form are removed before your onboarding and lifecycle series send to them.
Protect the domain that sends your product email
Product email and marketing email often share a domain. Keeping bounce rates low protects password resets and receipts as well as campaigns.
Stop paying for phantom contacts
Intercom seat and contact pricing rewards a lean workspace. Removing unreachable leads and users keeps your spend aligned with real customers.
Better onboarding completion signals
Activation and onboarding metrics are distorted by users who never received the email. Clean data shows you where the funnel really leaks.
Cleaner segmentation for lifecycle campaigns
Segments built on engagement behave correctly when the contacts inside them can actually receive and open the message.
GDPR aligned processing
Verification runs on our infrastructure with a DPA available, so EU user data can be cleaned without weakening your compliance posture.
What Mailthentic checks
Every Intercom contact runs through the full verification stack.
Syntax validation
Every Intercom contact is checked against RFC rules, catching the typos users make when typing an address into a chat widget or signup form.
Domain and MX record checks
We confirm the domain resolves and publishes mail exchange records, so leads at dead domains or misspelled providers never enter an onboarding series.
Disposable email detection
Throwaway addresses used to open a trial without committing are identified, so they stop skewing your activation numbers and your contact count.
Catch-all domain detection
Business domains that accept any address are flagged, so you know which Intercom contacts carry residual bounce risk before a broadcast.
Role based address flagging
Shared mailboxes such as info@, admin@ and support@ are marked. They rarely map to a single product user and behave badly in lifecycle messaging.
Risky and invalid address detection
Mailbox level checks separate confirmed invalid addresses from risky ones, so you can exclude the dead contacts and pace outbound to the grey area.
Intercom use cases
Cleaning trial signups
Free trials attract throwaway and mistyped addresses. Verify them so your onboarding series and activation metrics are based on real users.
Pre-broadcast check
Verify the segment before a product announcement or migration notice, so a single large outbound send does not spike your bounce rate.
Protecting transactional deliverability
If marketing and product email share a domain, verifying Intercom contacts protects password resets and receipts from being caught in the fallout.
Cleaning chat-captured leads
Addresses typed into a messenger are typo prone. Verify them before sales follow-up or a nurture campaign goes out.
Frequently asked questions
Is there a native Intercom integration?
How do I verify my Intercom list today?
Will verifying reduce bounces on my Intercom outbound?
How do you handle catch-all domains?
Is my Intercom user data secure?
How many credits does an Intercom export use?
Clean your Intercom list today
New accounts get 1,000 free verification credits. CRM integrations are included with any paid plan.