IMAP received email not attached correctly to notes

public static function checkEmails() {  
    self::init();
    global $globalCronMode, $globalCatchErrors;
    $globalCronMode=true;     
    $globalCatchErrors=true;
    require_once("../model/ImapMailbox.php"); // Imap management Class
    
    if (! ImapMailbox::checkImapEnabled()) {
      traceLog("ERROR - Cron::checkEmails() - IMAP extension not enabled in your PHP config. Cannot connect to IMAP Mailbox.");
      return;
    }
    
    // IMAP must be enabled in Google Mail Settings
    $emailEmail=Parameter::getGlobalParameter('cronCheckEmailsUser');
    $emailPassword=Parameter::getGlobalParameter('cronCheckEmailsPassword');
    $emailAttachmentsDir=dirname(__FILE__) . '/../files/attach';
    $emailHost=Parameter::getGlobalParameter('cronCheckEmailsHost'); // {imap.gmail.com:993/imap/ssl}INBOX';
    if (! $emailHost) {
      traceLog("IMAP connection string not defined");
      return;
    }
    $mailbox = new ImapMailbox($emailHost, $emailEmail, $emailPassword, $emailAttachmentsDir, 'utf-8');
    $mails = array();
    
    // Get some mail
    $mailsIds = $mailbox->searchMailBox('UNSEEN UNDELETED');
    if(!$mailsIds) {
      debugTraceLog('Mailbox is empty'); // Will be a debug level trace
      return;
    }
    include_once '../external/html2text/html2text.php';
    
    foreach ($mailsIds as $mailId) {
      $mail = $mailbox->getMail($mailId);
      $mailbox->markMailAsUnread($mailId);
      
      $body=$mail->textPlain;
	  traceLog('body='.$body);
      $bodyHtml=$mail->textHtml;
	  traceLog('bodyHtml='.$bodyHtml);
      if (! $body and $bodyHtml) {    
        $body=str_replace(array("</div>","</p>","<br>","<br/>","<br />"), 
                          array("</div>\n","</p>\n","\n","\n","\n"), $bodyHtml);
        $body=strip_tags($bodyHtml);
      }
      $class=null;
      $id=null;
      $msg=null;
      $senderId=null;  
      // Class and Id of object
      $posClass=strpos($body,'directAccess=true&objectClass=');
      if ($posClass) { // It is a ProjeQtor mail
        $posId=strpos($body,'&objectId=',$posClass);
        $posEnd=strpos($body,'>',$posId);
        $class=substr($body,$posClass+30,$posId-$posClass-30);
        $id=substr($body,$posId+10,$posEnd-$posId-10);
      } else {  
        continue;
      }
      // Message
      $posEndMsg=strpos($body,"\r\n\r\n\r\n");
      if ($posEndMsg) {
        $msg=substr($body,0,$posEndMsg);
		traceLog('msg='.$msg);
      }
      // Sender
      $sender=$mail->fromAddress;
      $crit=array('email'=>$sender);
      $usr=new Affectable();
      $usrList=$usr->getSqlElementsFromCriteria($crit,false,null,'idle asc, isUser desc, isResource desc');
      if (count($usrList)) {
        $senderId=$usrList[0]->id;
      }
      if (! $senderId) {
        traceLog("Email message received from '$sender', not recognized as resource or user or contact : message not stored as note to avoid spamming");
        $mailbox->markMailAsUnread($mailId);
        continue;
      }
      $arrayFrom=array("\n","\r"," ");
      $arrayTo=array("","","");
      $class=str_replace($arrayFrom, $arrayTo, $class);
      $id=str_replace($arrayFrom, $arrayTo, $id);  
      $obj=null;
      if (SqlElement::class_exists($class) and is_numeric($id)) {
        $obj=new $class($id);
      }
      if ($obj and $obj->id and $senderId) {
        $note=new Note();
        $note->refType=$class;
        $note->refId=$id;
        $note->idPrivacy=1;
        $note->note=nl2br($msg);
        $note->idUser=$senderId;
        $note->creationDate=date('Y-m-d H:i:s');
        $note->fromEmail=1;
        $note->save();
        $mailbox->markMailAsRead($mailId);
        debugTraceLog("Note from '$sender' added on $class #$id");
      } else {
        $mailbox->markMailAsUnread($mailId);
      }
    }
  }