As it already normalizes returned emails some manual calls to 'email_normalize' are not necessary. Some variable names are updated to be clearer about the email being normalized. Parsing contact name and email is also moved into a tool function to avoid using a partner environment just for a tool parsing method. Task-2612945 (Mail: Defensive email formatting) X-original-commit: odoo/odoo@f7add44c28 Part-of: odoo/odoo#134934