def sendNewspostNotifications(Newspost newspost, attachmentURL, newspostURL, update = false) {

        def subscribers = []
        //User welche die die Kategorie direkt (spezielle Kategorie) abonnieren
        subscribers.addAll(newspost.category.subscribers)

        //User die alle Kategorien abbonieren
        subscribers.addAll(User.findAllBySubscribe_all(true));

        //Nur aktive User berücksichtigen
        subscribers.removeAll { it.status != User.STATUS_ACTIVE}


        for (def user: subscribers) {

            if (user.newspostEmailNotification) {
                def betreff = "[Iwinews 2.0 - ${newspost.category.name}] ${StringEscapeUtils.unescapeHtml(newspost.title)} ${update ? " -Update-" : ""}"
                def text = StringEscapeUtils.unescapeHtml(newspost.text)
                text += "\n\nLink zum Beitrag: ${newspostURL}"
                def attachments = NewspostAttachment.findAllByNewsPost(newspost)
                if (attachments.size() > 0) {
                    text += "\n\n_______________________________________________________________\n\nAnhänge:\n"
                    for (def attachment: attachments) {
                        text += "\n- ${attachment.filename} (Downloadlink: ${attachmentURL}/${attachment.id})"
                    }
                }
                //Footer mit Kategorien
                emailService.setFooterToEmail(text)

                //Absenderadresse bestimmen

                def fromAdress, fromName

                //interner User
                if (newspost.user) {
                    fromAdress = newspost.user.email
                    fromName = newspost.user.nickname
                }

                //gesendet von extern
                else {
                    fromAdress = newspost.emailExternal
                    fromName = newspost.emailExternalPersonName
                }

                emailService.sendMail(user.email, betreff, text, fromAdress, fromName)
            }
        }
    }