If I were to charge people to email me, I could likely retire before the year is done. I more than 100 emails per day on a slow day, and can easily top 200 emails on a busy day
Spam mail is an issue for everyone but when you are the provider of the email account, it is up to you to figure out how to block that unwanted content from reaching the user’s inbox. For Microsoft, this is an ongoing challenge as they host millions of email accounts between Hotmail and Outlook which means that if they miss one type of spam message, it will impact millions of users.