What is the name of the domain?
does not matter
What is the error number?
no such thing
What is the error message?
Allowed characters: 0-9 a-z _ .
What is the issue you’re encountering
web frontend will only ever accept alpha numeric email addresses
What steps have you taken to resolve the issue?
This is an incorrect validation rule, since email addresses with “+” should be considered valid. These are called “aliases”.
It’s an exclusive bug on cloudflare web frontend;
What are the steps to reproduce the issue?
- add email routing address
- try to create an email address with alias ([email protected])
- fail due to “+” not being considered valid by web frontend