Many E-Learning systems employ the security mechanism of email verification to ensure that only authorized users have access to the system. To entirely disable email verification for an E-Learning platform is currently not possible. You can make email verification less of a hassle for your consumers by taking a few precautions, though. Make available further verification methods. Single sign-on (SSO) and other social network logins are just two of the many forms of alternative authentication offered by many E-Learning platforms. These eliminate the need for additional email verification by allowing users to sign in with their already existing credentials. Facilitate e-mail verification as much as possible. The process should be as simple as possible, with clear instructions given to users on how to validate their email address. It needs to be computerized. Some e-learning systems include convenient, automatic methods of confirming users' email addresses. Think about hiring an outside company. Several different sites provide email verification as a service. Using these services helps lighten the load on users and verify the authenticity of emails. Email verification is a crucial safety safeguard that should never be turned off. If you follow the aforementioned guidelines, however, you can lessen the burden of email verification on your users.

You can refer Old thread if it helps to solve your query.

https://www.odoo.com/forum/help-1/disable-email-verification-173497