October 2026Dataset Refreshed: Expanded to 15.17M+ Unique Contacts
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What is a spam trap?

Also called: honeypot email, pristine spam trap, recycled spam trap

A spam trap is an email address used by mailbox providers and blocklist operators to catch senders with poor list practices. It belongs to no real person who signed up, so any email it receives signals that the sender's list wasn't collected or maintained properly.

By John Britton, VP of Marketing, MedicalProspects · Updated November 4, 2026 · Email & Deliverability

Why it matters for healthcare sales and marketing

Hitting spam traps can damage your sender reputation or get your domain blocklisted, hurting every campaign. Old, scraped or unverified lists are the usual source.

How it works

  • Pristine traps: addresses that were never used by a person, often placed where scrapers will find them.
  • Recycled traps: abandoned addresses that a provider has reactivated to catch senders still mailing them.
  • Typo traps: misspelled domains that catch carelessly collected addresses.

Prevention: buy from sources that verify and refresh data, remove long-inactive contacts, and never scrape addresses.

Three types of spam trap: pristine (never used by a person), recycled (abandoned and reactivated) and typo (misspelled domains).
Spam traps catch senders using scraped, old or careless lists.

Example

Illustrative scenario. A company emails a purchased spreadsheet of "all doctors" that turns out to be years old. Its domain lands on a blocklist after hitting recycled traps. It moves to a verified, refreshed list and cleans out contacts that hadn't engaged in over a year.

Common mistakes

  • Using scraped or very old lists. They're full of traps.
  • Mailing long-inactive contacts forever. Abandoned addresses can become traps.
  • Thinking verification catches every trap. Some traps look valid; list sourcing matters most.

Related terms

  • Sender ReputationSender reputation is how mailbox providers such as Gmail and Outlook judge the trustworthiness of your sending domain and IP addresses, based on signals like spam complaints, bounces, spam trap hits, engagement and authentication.
  • Email VerificationEmail verification is checking that an email address is correctly formed, belongs to a domain that accepts mail, and points to a mailbox that exists, before you send to it. For healthcare lists it also means confirming the address still belongs to the right person in the right role.
  • Data DecayData decay is the gradual loss of accuracy in a contact database as people change jobs, retire, move practices, or their organizations merge and change email domains.
  • Suppression ListA suppression list is the set of email addresses you must never send to, such as people who unsubscribed, addresses that hard-bounced and people who marked your email as spam. It should apply across every tool and campaign you send from.

Put it to work

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