Swiftmailer config : send mail using gmail

I can send email from my pc using swiftmailer, but mail not sending in server.

I'm using swiftmailer 5.0.1. Project details are,

A simple php project in netbeans
swiftmailer 5.0.1
twig 1.13.1

My code is

public function init() {
        $this->username = 'username@gmail.com'; 
        $this->password = 'password';
        $this->host = 'ssl://smtp.gmail.com';
        $this->port = 465;
        $this->from = 'username@gmail.com';
        $this->subject = 'Company - contact';
        $this->body_part_type = 'text/html';
    }

public function send_email($from_name_add, $to_add, $fullname, $email, $mobile, $content) {
            $this->init();
            $transport = Swift_SmtpTransport::newInstance($this->host, $this->port)
                    ->setUsername($this->username)
                    ->setPassword($this->password);

            $mailer = Swift_Mailer::newInstance($transport);

            $message = Swift_Message::newInstance();
            $cid = $message->embed(Swift_Image::fromPath('../public_html/pic/logo.png'));
            $this->body = $this->renderEmailTemplate('email', $fullname, $email, $mobile, $content, $cid);
            $message->setSubject($this->subject)
                    ->setFrom(array('username@gmail.com' => '' . $from_name_add))
                    ->setTo($to_add)
                    ->setContentType($this->body_part_type)
                    ->setBody($this->body);
            $result = $mailer->send($message);
            return $result;
        }

This code works FINE in my pc. But after upload this code/project to server, mail not sending. Error is,

    <br />
<b>Fatal error</b>:  Uncaught exception 'Swift_TransportException' with message 'Connection could not be established with host ssl://smtp.gmail.com [Connection timed out #110]' in /home/am***/lib/Swift/classes/Swift/Transport/StreamBuffer.php:259
Stack trace:
#0 /home/am***/lib/Swift/classes/Swift/Transport/StreamBuffer.php(64): Swift_Transport_StreamBuffer-&gt;_establishSocketConnection()
#1 /home/am***/lib/Swift/classes/Swift/Transport/AbstractSmtpTransport.php(115): Swift_Transport_StreamBuffer-&gt;initialize(Array)
#2 /home/am***/lib/Swift/classes/Swift/Mailer.php(80): Swift_Transport_AbstractSmtpTransport-&gt;start()
#3 /home/am***/controller/send_mail.php(54): Swift_Mailer-&gt;send(Object(Swift_Message))
#4 /home/am***/public_html/contact.php(43): send_mail-&gt;send_email('Am*** Inc', 'fe****@gma...', 'asdf', 'asdf@in.com', '111111111111', 'Testing mail')
#5 {main}
  thrown in <b>/home/am***/lib/Swift/classes/Swift/Transport/StreamBuffer.php</b> on line <b>259</b><br />

HINT: There is an allready running php symfony2 project in that server, this project can send mail successfully.

Here is the symfony2 code,

$message = \Swift_Message::newInstance()
                ->setSubject($sub)->setFrom($from)->setTo($to)->setContentType("text/html")
                ->setBody($this->renderView('FZAm***Bundle:Layout:mail.html.twig', array
                    ('name' => $this->fullname, 'mobile' => $this->mobile, 'email' => $this->email,
                    'content' => $this->content, 'time' => $this->sys_time, 'ip' => $userip,
                    'server_time' => date('Y-m-d H:i:s'))
        ));
try {
            $this->get('mailer')->send($message);
// catch and other follows.

Config details are,

mail_contact_from: username@gmail.com
  mail_contact_to:   username@gmail.com
  mail_contact_sub:   Contact info

I passed only this details and all settings are default. If any info needed please ask i'l post.

Reason i'm changing from symfony2 project to this ordinary php+swift+twig is my hosting is only 100mb and i need to upload more images. But symfony2 occupy more space.

Filippos Karapetis

Looks like your live server is missing OpenSSL, so you need to enable it in order to get secure connections working (i.e. enable the php_openssl module). Also check this question.

After some search in google.

To send mail using gmail auth you need to use this code,

$transport = Swift_SmtpTransport::newInstance('ssl://smtp.gmail.com', 465);

This is the correct way to send mail. This mail will be send by gmail.

PHP use mail() to send just a mail,

mail($to,$subject,$message,$headers);

This code sends a mail using php code.

Swiftmailer can also send a mail using this php mail() function,

Here is swift code.

$transport = Swift_MailTransport::newInstance();
// nothing inside ()

The problem in this mail is, gmail displays following message,

This message may not have been sent by: username@gmail.com

Sometimes this mail will go to spam.

来源：https://stackoverflow.com/questions/18129664/swiftmailer-config-send-mail-using-gmail

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php

smtp

gmail

swiftmailer