Email Verification for Travel
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Travel email is operational. It is the booking confirmation, the e-ticket, the check-in reminder, the gate change, the cancellation, the rebooking link. A traveller who does not receive one of those is not a lost marketing opportunity, they are a person at an airport or a hotel desk with no reservation reference and a problem your staff now have to solve in person.
The address is captured at booking, on a phone, at speed, often by someone who is comparing three tabs at once. It gets typed wrong. It gets autocorrected. And the booking flow accepts it silently, because nothing checked it. The customer only finds out something is wrong when the confirmation does not arrive, and by then they are calling your support line.
Schedule changes are where it really hurts
Confirmations can be resent. A schedule change cannot be un-missed. When a flight moves, a tour is cancelled, or a transfer time shifts, the email is the entire mechanism by which the traveller learns about it. A dead address means a passenger who turns up for a flight that left two hours earlier.
List decay between trips
The commercial side has the opposite problem. People book once and come back eighteen months later, so your marketing list is full of addresses that were captured a long time ago and have never been touched since. Send a seasonal campaign into that and you generate a heavy bounce load, which damages the sending reputation your booking confirmations rely on. Marketing and transactional mail share a domain, and mailbox providers do not distinguish between them when they judge you.
What Mailthentic checks
Syntax, domain and MX records, disposable domain detection across over 800 known throwaway services, catch-all detection, role-based flagging across more than 150 prefixes, and risky or invalid detection. Every result returns the status, the reason, the SMTP response code and a confidence score.
Where certainty is not possible, we say so. A catch-all domain accepts every address by design, so no verifier can confirm an individual mailbox on it. Gmail, Google Workspace, Outlook and Microsoft 365 return a 250 OK even for addresses that do not exist, deliberately, because they block harvesting. And a temporary deferral, a 421, 450 or 451, is greylisting, not a failure, so we retry with a backoff instead of discarding a good address.
- Real-time API in the booking flow, so a mistyped address is corrected before the traveller pays.
- Bulk CSV upload for the marketing database, with duplicates removed before processing so you are not charged for them.
- CRM integrations with Brevo, HubSpot, Salesforce, Mailchimp and PlusVibe.
The Travel deliverability challenge
Booking confirmations and e-tickets never arrive
An address mistyped in a rushed mobile booking means the traveller has no reference, no ticket and no proof of purchase. That becomes a support call, and often a passenger standing at a desk with nothing to show.
Schedule changes cannot be un-missed
When a flight moves or a transfer is cancelled, email is the mechanism by which the traveller finds out. A dead address means someone turns up for something that is not happening, and no apology fixes that.
The marketing list decays between trips
People book once and return a year and a half later. The addresses in your database have been sitting untouched the whole time, so a seasonal campaign fires a heavy load of bounces at the mailbox providers.
Marketing bounces sink your operational email
Campaigns and confirmations travel on the same sending reputation. Mailing a decayed list is the fastest way to push your e-tickets and gate change notices into the spam folder.
How Mailthentic helps Travel teams
Check the address before the booking completes
Call the real-time API from the booking form. Syntax, domain and MX checks run instantly, so an obvious typo is surfaced while the traveller is still on the page and can correct it themselves.
Clean the database before the seasonal push
Upload the marketing list as a CSV before a campaign. Duplicates are removed before processing, so you are not charged for them, and every row returns a status, a reason, an SMTP response code and a confidence score.
Protect the reputation your e-tickets depend on
Removing dead addresses before a campaign keeps the bounce rate low, which is what decides whether your operational email lands in the inbox when a passenger genuinely needs it.
Do not discard good addresses over a deferral
Greylisting returns a temporary 421, 450 or 451 rather than a rejection. Mailthentic retries with a backoff instead of writing the address off, so a real traveller is not removed from your list by a cautious mail server.
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Booking confirmations and e-tickets that reach the traveller
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Schedule changes and cancellations delivered when they matter
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Fewer support calls caused by a confirmation that never arrived
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Seasonal campaigns sent to a list that has actually been checked
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Operational email protected from the reputation damage of marketing bounces
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Typos corrected by the customer in the booking flow, not discovered at the airport
Frequently asked questions
Can we verify an address inside the booking flow without slowing it down?
Why do marketing bounces affect our booking confirmations?
How often should we clean a travel marketing list?
Some addresses come back as catch-all. What does that mean?
Do you charge for duplicate rows in our export?
Can results be pushed back into our CRM?
More Industries
Reach the inbox in Travel
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