Why is my email account constantly receiving spam emails?

Identify Spam Sources:
Check the email address of the sender(s) and/or website associated with the message.
Flag Emails:
Flag suspected messages as spam when verifying.
Update Email Settings:
Adjust account settings to filter incoming emails to validation list.
Select Unsubscribe Option:
Unsubscribe from any commercial mailing lists that come from authorized mailing-list providers.
Install Anti-spam Software:
Install and regularly update anti-spam software to automatically detect and delete suspicious messages.