一个简单的Webmail系统

echo "<TR bgcolor=$M_COLOR_HEAD><TD ALIGN=RIGHT>Subject:</TD>";

echo "<TD><INPUT TYPE=TEXT NAME=subject value=\"$subject\" SIZE=50></TD></TR>\n";

echo "<TR bgcolor=$M_COLOR_BG><TD COLSPAN=2>";

echo "<TEXTAREA COLS=76 ROWS=10 NAME=body WRAP=hard>$body</TEXTAREA>\n";

echo "</TD></TR>\n";

echo "<TR bgcolor=$M_COLOR_HEAD><TD COLSPAN=2>";

echo "<INPUT TYPE=HIDDEN NAME=m VALUE=$mailbox>";

echo "<INPUT TYPE=SUBMIT NAME=cmd VALUE=send>";

echo "<INPUT TYPE=SUBMIT NAME=cmd VALUE=cancel>";

echo "</TD></TR>";

echo "</TABLE></FORM>\n";

echo "</CENTER>\n";

}

function m_send ($to, $subject, $body)

{

global $PHP_AUTH_USER, $M_MAILSERVER, $M_SYSNAME;

if ($PHP_AUTH_USER && $M_MAILSERVER && $to && $body) {

$headers = "From: $PHP_AUTH_USER@$M_MAILSERVER\n";

$headers .= "Reply-to: $PHP_AUTH_USER@$M_MAILSERVER\n";

$headers .= "Content-Type: text/plain; charset=iso-8859-1\n";

$headers .= "Content-Transfer-Encoding: 8bit\n";

$headers .= "X-Mailer: $M_SYSNAME/" . phpversion() . "\n";

return mail($to, $subject, $body, $headers);

}

return false;

}

function m_date_format($datestr)

{

if (ereg("([[:digit:]]{1,2})[[:space:]]+([[:alpha:]]{3})[[:space:]]+([[:digit:]]{4})",