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Cisco Bug: CSCul67331 - UCCX: Invalid email address error with alphanumeric local-host

Last Modified

Nov 27, 2020

Products (5)

  • Cisco Unified Contact Center Express
  • Cisco Unified IP Interactive Voice Response (IVR) 10.0(1)
  • Cisco Unified Contact Center Express 10.0(1)
  • Cisco Unified IP Interactive Voice Response (IVR) 9.0(2)
  • Cisco Unified Contact Center Express 9.0(2)

Known Affected Releases

9.0(2) 9.0(2)SU1

Description (partial)

Error "The eMail address you have entered is not a valid one" when we use email addresses that:
1. Start with a number, or are purely numeric.

2. Contain permitted special characters that are valid by the RFCs.

From the appadmin page configuration
Subsystems > eMail > Email address AND/OR  Tools > Historical Reporting > SMTP Configuration > From email address.

The email addresses configured have the following local-host portion syntax of the address:

1. Purely numeric local-host portion (

2. Start with a number even when the email address contains alphabets. (

3. Contain special characters that are permitted by RFCs 822 and RFC 3696 under SMTP server configuration and eMail subsystem configuration. ('$','+','!','&' , '*' etc in the local-host portion)
(E.g:, alice$, alice!, alice*
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Bug Details Include

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