Mail.php 的引用路径错误

Wrong reference path to Mail.php

在安装了 cpanel 的 centos 6.7 上发送电子邮件时遇到问题抛出 php。 我假设 Mail.php 参考路径有问题,但我不知道如何更正它。 mail.php 文件位于:/home/userfolder/php/Mail.php(我安装了以下 PEAR 包:Auth_SASL、Mail、Net_SMTP、Net_Socket) 我得到的错误是: 致命错误:Class 'Mail' 未在第 14 行 home/userfolder/public_html/_sendmail.php 中找到

<?php
ini_set("include_path", '/home/userfolder/php:' . ini_get("include_path") );

$from = "Sandra Sender <info@domain.com>";
$to = "Ramona Recipient <info@domain.com>";
$subject = "Email";
$body = "Hi,\n\nHow are you?";
$host = "mail.domain.com";
$username = "username";
$password = "password";
$headers = array ('From' => $from,   'To' => $to,   'Subject' => $subject);
$smtp = Mail::factory('smtp',   array ('host' => $host,     'auth' => true,     'username' => $username,     'password' => $password));
$mail = $smtp->send($to, $headers, $body);
    if (PEAR::isError($mail)) 
    {   echo("<p>" . $mail->getMessage() . "</p>"); 
    } else
    {   
    echo("<p>Message successfully sent!</p>");  
    }
?>

添加到文件开头

require_once dirname(dirname(__FILE__)) . '/Mail.php';