php-swiftmailerHow to get the response code when using Swiftmailer?

Swiftmailer provides a way to get the response code when sending an email. The getResponse() method of the Swift_Transport_AbstractSmtpTransport class can be used to get the response code.

Example code

$transport = Swift_SmtpTransport::newInstance('smtp.example.org', 25);
$mailer = Swift_Mailer::newInstance($transport);
$message = Swift_Message::newInstance('Test Subject');
$mailer->send($message);
$responseCode = $transport->getResponse();

Output example

250 OK

Code explanation

• Swift_SmtpTransport::newInstance('smtp.example.org', 25): creates a new instance of the Swift_SmtpTransport class, passing in the SMTP server address and port number.
• Swift_Mailer::newInstance($transport): creates a new instance of the Swift_Mailer class, passing in the $transport object.
• Swift_Message::newInstance('Test Subject'): creates a new instance of the Swift_Message class, passing in the subject of the email.
• $mailer->send($message): sends the email using the $mailer object, passing in the $message object.
• $transport->getResponse(): gets the response code from the $transport object.

Helpful links

• Swiftmailer Documentation

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