Module email 

Email validation and normalization helpers. Email validation and normalization helpers.

The helpers implement Aster’s lightweight email contract: trim and lowercase values, reject obviously malformed addresses, and keep the behavior independent from any account or identity provider model.

Functions

email_domain

Returns the lowercased domain portion of an email address.

normalize_email

Trims and lowercases an email address, then validates it.

validate_email

Validates a normalized email address using Aster’s lightweight email rules.