The inclusion of and Hotmail (now integrated into Outlook) alongside Gmail highlights a specific vulnerability: legacy accounts. Many users maintain decades-old Yahoo or Hotmail accounts that may lack modern security features like Multi-Factor Authentication (MFA) . These "zombie" accounts are frequent targets because they often serve as recovery emails for other more sensitive services, making them a high-value entry point for hackers. Protecting Your Digital Identity
Use a real email service provider (ESP) like Brevo, Mailchimp, or SendGrid. @yahoo.com @gmail.com @hotmail.com txt 2025