setUsername(config('mail.mailers.smtp.username')); $transport->setPassword(config('mail.mailers.smtp.password')); // 设置加密方式 if (config('mail.mailers.smtp.encryption')) { $transport->setEncryption(config('mail.mailers.smtp.encryption')); } // 创建邮件器 $mailer = new Swift_Mailer($transport); // 创建邮件消息 $message = new Swift_Message($subject); $message->setFrom($from ?: config('mail.from.address')); $message->setTo($to); $message->setBody($body); // 发送邮件 return $mailer->send($message); } }