switch to the native php mail() function and test it - HowTo?

Question

i just installed the phpb3 - and skipped the email-configuration-steps within the installation-process. at the moment i want to check all the options i have.

a. the mailfunction that makes usage of SMTP b. the mailfunction that makes usage of the native mail () function

in this thread i want to get to know how to test the mail - with the native mail-function.

this is about sending emails from my board, what if

• i want to disable the use of SMTP (localhost) and
• switch to the native php mail() function.

preliminaries: should i change the configuration within my PHPBB ADMIN panel and then after wards when i try to send an email-

I supposed it was caused by the hosting blocking the mail() function but they told me it is working, and I verified this using this simple php test page, which actually is working fine: