Email Php

function sendmail ($from_name, $from_email, $to_name, $to_email, $subject, $text_message="", $html_message, $attachment="")
{
$from = "$from_name <$from_email>";
$to = "$to_name <$to_email>";
$main_boundary = "----=_NextPart_".md5(rand());
$text_boundary = "----=_NextPart_".md5(rand());
$html_boundary = "----=_NextPart_".md5(rand());
$headers = "From: $from\n";
$headers .= "Reply-To: $from\n";
$headers .= "X-Mailer: Yellow\n";
$headers .= "MIME-Version: 1.0\n";
$headers .= "Content-Type: multipart/mixed;\n\tboundary=\"$main_boundary\"\n";
$message .= "\n--$main_boundary\n";
$message .= "Content-Type: multipart/alternative;\n\tboundary=\"$text_boundary\"\n";
$message .= "\n--$text_boundary\n";
$message .= "Content-Type: text/plain; charset=\"ISO-8859-1\"\n";
$message .= "Content-Transfer-Encoding: 7bit\n\n";
$message .= ($text_message!="")?"$text_message":"Text portion of HTML Email";
$message .= "\n--$text_boundary\n";
$message .= "Content-Type: multipart/related;\n\tboundary=\"$html_boundary\"\n";
$message .= "\n--$html_boundary\n";
$message .= "Content-Type: text/html; charset=\"ISO-8859-1\"\n";
$message .= "Content-Transfer-Encoding: quoted-printable\n\n";
$message .= str_replace ("=", "=3D", $html_message)."\n";
if (isset ($attachment) && $attachment != "" && count ($attachment) >= 1)
{
for ($i=0; $i {
$attfile = $attachment[$i];
$file_name = basename ($attfile);
$fp = fopen ($attfile, "r");
$fcontent = "";
while (!feof ($fp))
{
$fcontent .= fgets ($fp, 1024);
}
$fcontent = chunk_split (base64_encode($fcontent));
@fclose ($fp);
$message .= "\n--$html_boundary\n";
$message .= "Content-Type: application/octetstream\n";
$message .= "Content-Transfer-Encoding: base64\n";
$message .= "Content-Disposition: inline; filename=\"$file_name\"\n";
$message .= "Content-ID: <$file_name>\n\n";
$message .= $fcontent;
}
}
$message .= "\n--$html_boundary--\n";
$message .= "\n--$text_boundary--\n";
$message .= "\n--$main_boundary--\n";
@mail ($to, $subject, $message, $headers);
}
?>