There are several possible reasons behind this search trend.

Multiple projects

A freelancer may work with several clients simultaneously.

Department separation

A company may want separate addresses for sales, support, or billing.

Marketing operations

Marketing teams may need different communication addresses.

Team expansion

Growing businesses require accounts for new employees.

Organizational convenience

Separate addresses can make incoming communication easier to categorize.

However, these objectives do not necessarily require previously created accounts.

Important Security Considerations

Account Ownership

Businesses should know exactly who controls an account and its recovery options.

Authentication

Strong authentication and multi-factor authentication can add important protection.

Connected Applications

Third-party applications should be reviewed regularly.

Recovery Information

Recovery methods should remain under authorized organizational control.

Employee Access

Permissions should be adjusted when employees change roles.

Risks Associated With Previously Created Accounts