1. Unsubscribe from promotional emails.

This can be done by clicking the unsubscribe button located at the bottom of the email.

2. Use an email filtering system.

Most email providers allow you to create filters, which can be used to sort emails into different folders and can be used to block certain types of emails.

3. Install anti-virus and anti-spam software on your computer.

This can help protect your computer and your email from malicious attempts to send spam or potential viruses.

4. Update your security settings.

Ensure that your email account is secured and update your settings to not allow emails from unknown or suspicious sources.