Unable to send email using PHP mail()

[eluser]afro[/eluser]
hi guys, yet another problem, how do i deal with this error


A PHP Error was encountered

Severity: Warning

Message: mail() [function.mail]: Failed to connect to mailserver at "localhost" port 25, verify your "SMTP" and "smtp_port" setting in php.ini or use ini_set()

Filename: libraries/Email.php

Line Number: 1519