Free Telefonica.net, Movistar & Ono Email Verifier
Validate legacy Spanish ISP email addresses (@telefonica.net, @movistar.es, @ono.com, @terra.es, @ya.com, @wanadoo.es, @eresmas.com) and custom Arsys/Nominalia B2B domains.
⚙️ Movistar Telefonica Email Verifier Telemetry Specs
Movistar & Telefonica.net Live SMTP Handshake & MX Diagnostic
Supported domains: @telefonica.net, @movistar.es, @terra.es, @ono.com, @ya.com & @wanadoo.es
| SMTP Code / Response | KaijuVerifier Verdict | Technical Meaning |
|---|---|---|
| 250 2.1.5 Recipient OK | Active Spanish ISP Inbox | The @telefonica.net or @movistar.es mailbox is active and accepting incoming mail. |
| 550 5.1.1 <user>: User unknown / Buzón inexistente | Canceled / Closed Account | The legacy Spanish ISP mailbox was closed or the domain is retired. |
| 552 5.2.2 <user>: Over quota / Buzón lleno | Storage Quota Full | Legacy @telefonica.net mailboxes have small storage quotas and frequently bounce when full. |
| 550 NXDOMAIN / Retired ISP | Defunct Spanish Domain | Historic domains like @terra.es, @ya.com, and @eresmas.com are permanently offline and flagged immediately. |
How We Verify Telefonica.net, Movistar, Terra.es & Ono (Spain) Addresses
Instant Detection of Defunct Domains (@terra.es, @ya.com, @eresmas.com)
Many long-standing Spanish B2B and B2C databases still contain historic addresses from `@terra.es`, `@ya.com`, `@eresmas.com`, `@arrakis.es`, and `@wanadoo.es`. KaijuVerifier flags retired Spanish telecom domains in under 15ms.
Separating Active vs. Closed @telefonica.net & @ono.com Accounts
While new registrations are closed, thousands of veteran Spanish professionals and SMEs still use `@telefonica.net`, `@movistar.es`, and `@ono.com` (Vodafone). Our SMTP handshake verifies `tnetmx.telefonica.net` in real time so you keep real buyers and drop dead accounts.
Spanish SME Hosting Gateways (`mx.serviciodecorreo.es`)
A huge share of Spanish `.es` companies host their corporate email on Arsys (`serviciodecorreo.es`), Loading, Dinahosting, or IONOS Spain. KaijuVerifier fingerprints Spanish hosting gateways and scores Catch-All servers accurately.
Verify Other Email Providers & Regional ISPs
Frequently Asked Questions — Movistar & Telefonica.net Verification
Do @telefonica.net and @movistar.es email addresses still work in Spain?
Yes! Existing @telefonica.net and @movistar.es accounts remain operational via Movistar's `tnetmx.telefonica.net` servers for active customers, though canceled fiber/ADSL lines have their mailboxes permanently deleted. Verifying via SMTP tells you immediately which ones are still alive.
What happened to @terra.es, @ya.com, and @ono.com email addresses?
@terra.es and @ya.com shut down their mail servers years ago and always hard-bounce. @ono.com (acquired by Vodafone Spain) has undergone progressive closures. Cleaning your Spanish CRM with KaijuVerifier removes all defunct ISP domains automatically.