function smtp_sasl_password_maps()
{
    smtp_sasl_password_maps_build();
    if (!is_array($GLOBALS["smtp_sasl_password_maps"])) {
        echo "Starting......: 0 smtp password rule(s)\n";
        shell_exec("{$GLOBALS["postconf"]} -e \"smtp_sasl_password_maps =\" >/dev/null 2>&1");
        shell_exec("{$GLOBALS["postconf"]} -e \"smtp_sasl_auth_enable =no\" >/dev/null 2>&1");
    }
    echo "Starting......: " . count($GLOBALS["smtp_sasl_password_maps"]) . " smtp password rule(s)\n";
    @file_put_contents("/etc/postfix/smtp_sasl_password", implode("\n", $GLOBALS["smtp_sasl_password_maps"]));
    shell_exec("{$GLOBALS["postmap"]} hash:/etc/postfix/smtp_sasl_password >/dev/null 2>&1");
    shell_exec("{$GLOBALS["postconf"]} -e \"smtp_sasl_password_maps = hash:/etc/postfix/smtp_sasl_password\" >/dev/null 2>&1");
    shell_exec("{$GLOBALS["postconf"]} -e \"smtp_sasl_auth_enable = yes\" >/dev/null 2>&1");
}
function smtp_sasl_password_maps()
{
    smtp_sasl_password_maps_build();
    if (!isset($GLOBALS["smtp_sasl_password_maps"])) {
        $GLOBALS["smtp_sasl_password_maps"] = null;
    }
    if (!is_array($GLOBALS["smtp_sasl_password_maps"])) {
        echo "Starting......: " . date("H:i:s") . " 0 smtp password rule(s)\n";
        shell_exec("{$GLOBALS["postconf"]} -X \"smtp_sasl_password_maps\" >/dev/null 2>&1");
        shell_exec("{$GLOBALS["postconf"]} -e \"smtp_sasl_auth_enable =no\" >/dev/null 2>&1");
        return;
    }
    reset($GLOBALS["smtp_sasl_password_maps"]);
    while (list($index, $value) = each($GLOBALS["smtp_sasl_password_maps"])) {
        $newarray[$value] = $value;
    }
    while (list($index, $value) = each($newarray)) {
        $newarray2[] = $value;
    }
    echo "Starting......: " . date("H:i:s") . " Postfix " . count($newarray2) . " smtp password rule(s)\n";
    @file_put_contents("/etc/postfix/smtp_sasl_password", implode("\n", $newarray2));
    shell_exec("{$GLOBALS["postmap"]} hash:/etc/postfix/smtp_sasl_password >/dev/null 2>&1");
    shell_exec("{$GLOBALS["postconf"]} -e \"smtp_sasl_password_maps = hash:/etc/postfix/smtp_sasl_password\" >/dev/null 2>&1");
    shell_exec("{$GLOBALS["postconf"]} -e \"smtp_sasl_auth_enable = yes\" >/dev/null 2>&1");
}