smtp or smtp port setting error...?

[cnagra]

hi i keep gettin this error:

Warning: mail(): Failed to connect to mailserver at "localhost" port 25, verify your "SMTP" and "smtp_port" setting in php.ini or use ini_set() in c:\project\htdocs\sendemail.php on line 1426

when i try using my email form, im using apache, mysql.
what are the default settings, can anyone help

thanks

[cnagra]

i fixed that error
but now im gettin this error

Warning: mail(): Failed to Receive in c:\project\htdocs\sendemail.php on line 1426

the line of code
mail("[email protected]", $subject, $message, $from);