邮件正文会被当成附件，导致textHTML为空

[halay]

[halay]

$attachmentId = $partStructure->ifid ? trim($partStructure->id, " <>") : (isset($params['filename']) || isset($params['name']) ? mt_rand() . mt_rand() : null); // ignore contentId on body when mail isn't multipart (https://github.com/barbushin/php-imap/issues/71) if (!$partNum && TYPETEXT === $partStructure->type) { $attachmentId = null; }