Is mailing function blocked on free version?

This should help Emails from my website aren't working Email > Emails from my website aren’t working If emails from your website aren’t being sent or delivered, this is likely because InfinityFree restricts the PHP mail() function that most websites use by default. Your contact forms, registration emails, password resets, and other automated emails may not work as expected. This is normal on free hosting and there’s a straightforward solution: use an external email service instead of the built-in mail system. What should I do to fix email sending? The bes… But in short, yes the php mail() function is not enabled on free hosting