how to know failed to send the E-mail using php

[kyory]

\[code\] $subjt = $subject; $message = $message; $toinfo .= $snteadd[$i]; $headers = "MIME-Version: 1.0 \r\n"; $headers .= "Content-type: text/html; charset=iso-8859-1\r\n"; $headers .= "From: <$fromemailid>\r\n"; $headers .= "Cc: <$sendCC>\r\n"; $headers .= "Bcc: <$sendBCC>\r\n"; $headers .= "Return-Path: <$fromemailid>\r\n"; $headers .= "Errors-To: <$fromemailid>\r\n"; $headers .= "X-Mailer: PHP 4.x". phpversion() @mail($snteadd[$i], $subjt, $message, $headers);\[/code\]