an error when create alias for existing email with email which contains domain name 6 letters.

[georgetarazevich]

Have an error when create alias for existing email with email which contains domain name 6 letters.
For example, existing email: abc@qwerty.com goto abc@com.qwerty
Error message: Invalid email address(es).

Environment:
ViMbAdmin V3.0.3.
Linux Ubuntu

[barryo]

Cannot reproduce, sorry. Tested multiple ways.