اشکال در ارسال ایمیل

سلام.

برای ارسال ایمیل از phpMailer استفاده کرده ام و کد زیر رو دارم:

public static function sendMail($name,$email,$subject,$body,$toEmail){
   $mail = new PHPMailer;
   $mail->Host = 'localhost';  // Specify main and backup SMTP servers
   $mail->CharSet = 'utf8';
   $mail->setFrom($email,$name);
   $mail->addAddress($toEmail);   // Name is optional
   $mail->addReplyTo($email,$name);
   $mail->Subject = $subject;
   $mail->Body = $body;
   appcomponentsMyTools::debug($mail,true);
   if(!$mail->send()) {
       retu false;
   } else {
       retu true;
   }
}

نتیجه اجرای کد بالا false میشه.
خروجی میگیرم نتیجه این شکلیه:

appphpmailerPHPMailer#1
(
   [Version] => '5.2.15'
   [Priority] => null
   [CharSet] => 'utf8'
   [ContentType] => 'text/plain'
   [Encoding] => '8bit'
   [ErrorInfo] => ''
   [From] => 'info@samaiweb.com'
   [FromName] => 'abdollah'
   [Sender] => 'info@samaiweb.com'
   [RetuPath] => ''
   [Subject] => 'contact test'
   [Body] => 'contact test
'
   [AltBody] => ''
   [Ical] => ''
   [*:MIMEBody] => ''
   [*:MIMEHeader] => ''
   [*:mailHeader] => ''
   [WordWrap] => 0
   [Mailer] => 'mail'
   [Sendmail] => '/usr/sbin/sendmail'
   [UseSendmailOptions] => true
   [PluginDir] => ''
   [ConfirmReadingTo] => ''
   [Hostname] => ''
   [MessageID] => ''
   [MessageDate] => ''
   [Host] => 'localhost'
   [Port] => 25
   [Helo] => ''
   [SMTPSecure] => ''
   [SMTPAutoTLS] => true
   [SMTPAuth] => false
   [SMTPOptions] => []
   [Useame] => ''
   [Password] => ''
   [AuthType] => ''
   [Realm] => ''
   [Workstation] => ''
   [Timeout] => 300
   [SMTPDebug] => 0
   [Debugoutput] => 'echo'
   [SMTPKeepAlive] => false
   [SingleTo] => false
   [SingleToArray] => []
   [do_verp] => false
   [AllowEmpty] => false
   [LE] => '
'
   [DKIM_selector] => ''
   [DKIM_identity] => ''
   [DKIM_passphrase] => ''
   [DKIM_domain] => ''
   [DKIM_private] => ''
   [action_function] => ''
   [XMailer] => ''
   [*:smtp] => null
   [*:to] => [
       0 => [
            0 => 'abdollah_sam@yahoo.com'
            1 => ''
        ]
   ]
   [*:cc] => []
   [*:bcc] => []
   [*:ReplyTo] => [
       'info@samaiweb.com' => [
            0 => 'info@samaiweb.com'
            1 => 'abdollah'
        ]
   ]
   [*:all_recipients] => [
        'abdollah_sam@yahoo.com' => true
    ]
   [*:RecipientsQueue] => []
   [*:ReplyToQueue] => []
   [*:attachment] => []
   [*:CustomHeader] => []
   [*:lastMessageID] => ''
   [*:message_type] => ''
   [*:boundary] => []
   [*:language] => []
   [*:error_count] => 0
   [*:sign_cert_file] => ''
   [*:sign_key_file] => ''
   [*:sign_extracerts_file] => ''
   [*:sign_key_pass] => ''
   [*:exceptions] => false
   [*:uniqueid] => ''
) 

لطفا راهنمایی کنید.

متشکرم.