(PHP Extension) GMail SMTP port 587 with "less secure" Password Authentication

Send email using GMail's SMTP server on port 587 (SSL via STARTTLS).

Chilkat PHP Downloads PHP Extension for Windows, Linux, MacOS, Alpine Linux, Solaris

<?php

// The version number (9_5_0) should match version of the Chilkat extension used, omitting the micro-version number.
// For example, if using Chilkat v9.5.0.48, then include as shown here:
include("chilkat_9_5_0.php");

// This example assumes the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.

$mailman = new CkMailMan();

// Use the GMail SMTP server
// This example assumes your GMail account allows for "less secure apps" to use 
// SMTP username/password authentication.
// For OAuth2 authentication, see GMail SMTP with OAuth2 Authentication
$mailman->put_SmtpHost('smtp.gmail.com');
$mailman->put_SmtpPort(587);
$mailman->put_StartTLS(true);

// Set the SMTP login/password.
$mailman->put_SmtpUsername('chilkat.support');
$mailman->put_SmtpPassword('myPassword');

// Create a new email object
$email = new CkEmail();

$email->put_Subject('This is a test');
$email->put_Body('This is a test');
$email->put_From('Chilkat Support <chilkat.support@gmail.com>');
$email->AddTo('Chilkat','support@chilkatsoft.com');

$success = $mailman->SendEmail($email);
if ($success != true) {
    print $mailman->lastErrorText() . "\n";
    exit;
}

print 'Email sent.' . "\n";

?>