String fromEmail = ERXProperties.stringForKeyWithDefault("er.quartzscheduler.ERQSJobListener.from","");
if (fromEmail.length() == 0 || recipients == null || recipients.size() == 0)
throw new IllegalStateException("method: sendMail: fromEmail or toEmail are empty: fromEmail: " + fromEmail + " /recipients: " + recipients);
ERMailDeliveryPlainText plainText = new ERMailDeliveryPlainText();
plainText.newMail();
plainText.setFromAddress(fromEmail);
plainText.setToAddresses(recipients);
plainText.setSubject(subject);
plainText.setTextContent(textContent);
plainText.sendMail(false);