php-swiftmailerHow to set up Swiftmailer with Gmail SMTP?

Swiftmailer is a popular library for sending emails from PHP applications. Setting up Swiftmailer with Gmail SMTP is easy and straightforward.

// Create the Transport
$transport = (new Swift_SmtpTransport('smtp.gmail.com', 465, 'ssl'))
  ->setUsername('[email protected]')
  ->setPassword('yourpassword');

// Create the Mailer using your created Transport
$mailer = new Swift_Mailer($transport);

// Create a message
$message = (new Swift_Message('Wonderful Subject'))
  ->setFrom(['[email protected]' => 'John Doe'])
  ->setTo(['[email protected]', '[email protected]' => 'A name'])
  ->setBody('Here is the message itself');

// Send the message
$result = $mailer->send($message);

The output of the example code is $result which is an integer representing the number of successful recipients.

Code explanation

1. $transport: This is the transport object which is used to connect to the Gmail SMTP server. It requires the hostname, port and encryption type as parameters.

2. $mailer: This is the mailer object which is used to send the message. It requires the transport object as a parameter.

3. $message: This is the message object which is used to create the email. It requires the from, to, subject and body as parameters.

4. $result: This is the result of the send operation which is an integer representing the number of successful recipients.

Helpful links

• Swiftmailer Documentation
• Gmail SMTP Settings

Edit this code on GitHub