"Valid" email address not accepted 2

[cerulyean]

asd@as------das.com is not allowed, despite passing the requirements provided

This is followed by a '@' and then a domain name. The domain name is made up of domain labels separated by periods.
The domain name must:
- end with a domain label at least 2 characters long
- have each domain label start and end with alphanumeric characters
- have each domain label consist of alphanumeric characters, separated only by hyphens, if any.