---
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"@id": https://www.twilio.com/docs/api/errors/22104#article
headline: "22104: Invalid Email Format"
url: https://www.twilio.com/docs/api/errors/22104
inLanguage: en
dateModified: 2026-03-11T18:38:39.000Z
author:
  "@type": Organization
  name: Twilio Developer Education Team
publisher:
  "@type": Organization
  name: Twilio
---

# 22104: Invalid Email Format

Log Level: ERROR

## Description

The format of a provided email was invalid.

### Possible causes

* Invalid email provided in request for email or cc emails.

### Possible solutions

Make sure you submit emails in the format local-part@domain