NodeMailer node.js Send Error: %s' 'self signed certificate'

public function test(Request $request) {$mail = new Mail();$mail->mailto = 'xxx@samplehost';$mail->title = 'test smtp.samplehost';$mail->body = 'This is test send';return $mail->send();
}

* Mail.php

<?php
/*** Created by PhpStorm.* User: mingzhanghui* Date: 1/21/2019* Time: 16:16*/namespace App;use AppJobsProcessMail;
use IlluminateDatabaseEloquentModel;
use IlluminateSupportFacadesLog;
use IlluminateSupportFacadesQueue;class Mail extends Model {protected $table = 'mail';protected $fillable = ['mailto','title','body'];protected $guarded = ['id'];public $timestamps = true;public function send() {// read config from fig$config = new Config();$enabled = $config->get('MAIL_ENABLED');if ($enabled == '0') {Log::info("33[31memail is disabled33[0m");return -1; // disabled}$mail_host = $config->get('MAIL_HOST'); $mail_port = $config->get('MAIL_PORT'); $mail_username = $config->get('MAIL_USERNAME'); $mail_password = $config->get('MAIL_PASSWORD'); $mail_from = $config->tryGet('MAIL_FROM', (function() use ($mail_host, $mail_username) {$a = explode('.', $mail_host);$n = count($a);$suffix = sprintf("%s.%s", $a[$n-2], $a[$n-1]);return sprintf("%s@%s", $mail_username, $suffix);})());// create the Transport$transport = (new Swift_SmtpTransport($mail_host, $mail_port))->setUsername($mail_username)->setPassword($mail_password);// create the Mailer using your created Transport$mailer = new Swift_Mailer($transport);$emails = $this->mailto;$ea = explode(';', $emails);$to = [];array_walk($ea, function($e) use (&$to) {$e = trim($e);$a = explode('@', $e);$to[$e] = $a[0];});$message = (new Swift_Message($this->title))->setFrom([$mail_from => $mail_username])->setTo($to)->setBody($this->body, "text/html", "utf-8");$ret = $mailer->send($message);Log::debug('...email sent');return $ret;}public static function groupComposeAndSend($chunk, $intMinutes, $requestTime) {$title = "";$body = "";self::composeMail($title, $body, $chunk, $intMinutes, $requestTime);// send mail$emails = self::groupSend($title, $body);return $emails;}private static function groupSend($title, $body) {$e = (new Config())->get("GROUP_EMAIL");if (! $e) {return -1;}$emailList = explode(";", $e);$n = 0;foreach ($emailList as $to) {$mail = new Mail();$mail->mailto = $to;$mail->title = $title;$mail->body = $body;$mail->save();Queue::push(new ProcessMail($mail));++$n;Log::info(sprintf("[group report] sending mail to %s", $mail->mailto));}return $n;}/*** @param $title* @param $body* @param $data* @param $intMinutes* @param $requestTime*/private static function composeMail(&$title, &$body, $data, $intMinutes, $requestTime) {$total = count($data);$title = sprintf("EASYEYE接口群监控-请求超过%d秒的接口(%d)", $requestTime, $total);$body = "<style>.text-red {color: red} td {border-collapse: collapse; border: 1px solid #ccc;}</style>";$body .= sprintf("<p>%d分钟内, 搜索到<b class='text-red'>%d</b>条请求接口请求超过%d秒记录: </p>",$intMinutes, $total, $requestTime);$body .= "<table><thead><tr><th>序号</th><th>请求时长(s)</th><th>发生时间戳</th><th>接口URI</th><th>发起请求所在页面URL</th><th>请求内容</th><th>响应码</th></tr></thead><tbody>";foreach ($data as $i => &$item) {$body .= "<tr>";$body .= sprintf("<td>%d</td>", $i + 1);$item['request_time'] = number_format($item['request_time'], 3, '.', '');$body .= sprintf("<td>%s</td>", $item['request_time']);$body .= sprintf("<td>%s</td>", $item['@timestamp']);$body .= sprintf("<td>%s</td>", stripslashes($item['request']));$body .= sprintf("<td>%s</td>", stripslashes($item['referrer']));$body .= sprintf("<td>%s</td>", $item['request_body']);$body .= sprintf("<td>%s</td>", $item['response']);$body .= "</tr>";}$body .= "</tbody></table><br /><br />";}}

* Config.php

<?php
/*** Created by PhpStorm.* User: mingzhanghui* Date: 2018-09-30* Time: 10:36*/namespace App;use IlluminateDatabaseEloquentModel;
use IlluminateSupportFacadesDB;class Config extends Model
{protected $table = 'config';// fig + unique(name)protected $fillable = ['name', 'value'];protected $guarded = ['id'];public $timestamps = false;protected $dates = [];public function get($name) {$pairs = DB::table($this->table)->select('value')->where('name', $name)->get();if (count($pairs) === 0) {return "";}$v = $pairs->offsetGet(0);return $v->value;}/*** 配置项可能不存在, 不存在则取默认值, 并在数据库中设定默认值* @param $name* @param $defaultValue* @return mixed*/public function tryGet($name, $defaultValue) {$pairs = DB::table($this->table)->select('value')->where('name', $name)->get();if (count($pairs) === 0) {DB::table($this->table)->insertGetId(['name' => $name,'value' => $defaultValue]);return $defaultValue;}$v = $pairs->offsetGet(0);return $v->value;}public function set($name, $value) {$pairs = DB::table($this->table)->select('id', 'name', 'value')->where('name', $name)->get();// insertif (count($pairs) === 0) {return DB::table($this->table)->insertGetId(['name' => $name,'value' => $value]);}// update (overwrite previous config entries)$id = $pairs->offsetGet($pairs->count() - 1)->id;DB::table($this->table)->where('id', $id)->update(['name' => $name,'value' => $value]);return $id;}
}