Skip to content
telnyxSupport
Developer Docstelnyx.com
Home/Telnyx Email

Telnyx Email

Guides for setting up and troubleshooting the Telnyx Email API — sending domains, DNS, suppressions, and deliverability.

10 articles

  • Getting started with Telnyx EmailSend your first email with Telnyx in a few steps: get an API key, add and verify a sending domain, send a message, and confirm delivery.→
  • Setting up your email sending domainAdd a sending domain to Telnyx, publish its DNS records at your registrar, and verify it. Includes plain-language explanations of ownership, SPF, DKIM, DMARC, and MX records.→
  • Troubleshooting email domain verificationDomain verification not passing? Work through the real causes: missing or mistyped records, propagation delay, truncated DKIM values, wrong hosts, SPF conflicts, and degraded domains.→
  • Why didn't my email arrive?A step-by-step triage for email that was not delivered: separate message processing from recipient delivery, inspect paginated events, bounces, suppressions, domain errors, limits, and spam placement.→
  • Managing email suppressions and unsubscribesUnderstand suppression reasons, profile- and group-scoped unsubscribe, paginated listing and deletion, and auto-detected CSV import/export limits.→
  • Setting up and troubleshooting Telnyx Email webhooks→
  • Understanding Telnyx Email errors and message size limits→
  • Preventing duplicate emails with idempotency→
  • Creating and sending email templates→
  • Scheduling and cancelling an email send→
telnyx

Support Center for the Telnyx connectivity platform.

telnyx.comDeveloper DocsPlatform statusContact us
24/7 support+1 888 980 9750
© 2026 Telnyx LLC. All rights reserved.