Использование валидации DNS для определения настоящих email'ов
https://www.valcanbuild.tech/laravel-dns-email-validation/
Valentin Hinov | Blog
Use Laravel DNS validation to make sure you're getting real emails
Use Laravel DNS validation to make sure you're getting real emails
How do you make sure you're getting valid user emails in your Laravel app? Using DNS validation can help increase your confidence that the emails you get are real.