Zend_Mail sent email is treated as SPAM
问题 Please tell me what I am doing wrong. I am sending an email using the Zend_Mail class like this: $message = <<<STR You have a new invoice! Sign in to your clientarea to see it. Best regards, Company name STR; $mail = new Zend_Mail(); $mail->setBodyText($message); $mail->setFrom('billing@company.com', 'Company.com'); $mail->addTo('client@email.com', 'Client Name'); $mail->setSubject('You have a new invoice!'); $mail->send(); It is received as a spam though. There are other applications such as