Premium email
Premium email is a marketing term used by for-profit email services.
Many free email services are supported from advertising revenue. Premium service may charge a fee for removing advertising from the service, and may have increased storage and other features, such as virus scanning and backup recovery. Premium email service may cater to the needs of the professional business segment, which may not wish to maintain an in-house email server.
Free email services offer a premium option. Users may subscribe to a monthly subscription for the benefits of a premium email. Services like Outlook, Google, Yahoo, and etc. over different versions of the same thing. For example, sharing an account with multiple people, digital storage, and a customizable domain. These are just some benefits that come with a premium email, for more information check with your email provider.