+ // MS Outlook sometimes also adds non-image attachments as related
+ // We'll add all such attachments to the attachments list
+ // Warning: some browsers support pdf in <img/>
+ // @TODO: we should fetch HTML body and find attachment's content-id
+ // to handle also image attachments without reference in the body
+ if (!empty($inline_object->filename)
+ && !preg_match('/^image\/(gif|jpe?g|png|tiff|bmp|svg)/', $inline_object->mimetype)
+ ) {
+ $this->attachments[] = $inline_object;
+ }