PHP mail() issue

I've got a problem with sending mails with the mail() function. I know how to use it and and the syntax is right. But the mail never arrives. Is there anything I have to change in the config file?

In your php.ini file, check the [mail function] part

If you have a local server:

[mail function] sendmail_path = put it here, for example /usr/sbin/sendmail

If you have a remote server:

[mail function] SMTP = put server here, for example smtp.isp.net sendmail_from = from adress goes here, like me@isp.net

Does anyone know a public mail server that I could use for sending the mails?

You could always set up your own, there are plenty of free mail server programs out there.

Check the Spam/Junk Email folders lol.

Here you go :D http://www.postcastserver.com/ http://www.axigen.com/mail-server/free.php

… And if you don't like anyone of them, check this page: http://www.freedownloadscenter.com/Network_and_Internet/Mail_Server_Tools/