There are several methods to verify email addresses:
Email Syntax Check: Ensuring the email follows the correct format.
Domain Verification: Confirming the domain is active and can receive emails.
Identifying Disposable Addresses: Filtering out temporary email addresses.
Detecting Role-based Accounts: Identifying generic emails like “info@” or “admin@” which belong to specifying account..
SMTP Verification: Communicating with the mail server to confirm mailbox existence.
Tracking User Engagement: Monitoring how users interact with sent emails.
Using Third-party Verification Services: Leveraging platforms like ZeroIn for comprehensive verification.