It's also an old trick that people do in order to create a lot of accounts on websites (typically for malicious reasons) without having to create many disposabl

It's also an old trick that people do in order to create a lot of accounts on websites (typically for malicious reasons) without having to create many disposable email. They use a combination of periods and plus signs in the email label. On top of that they can use the alias googlemail.com instead of gmail.com to create more accounts on websites.