Sample code for 30+ languages & platforms
PHP

GMail SMTP port 587 with "less secure" Password Authentication

See more SMTP Examples

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

Chilkat PHP Downloads

Chilkat2 PHP
<?php

use Chilkat2\Email;
use Chilkat2\MailMan;

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

$mailman = new MailMan();

// 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->SmtpHost = 'smtp.gmail.com';
$mailman->SmtpPort = 587;
$mailman->StartTLS = true;

// Set the SMTP login/password.
$mailman->SmtpUsername = 'chilkat.support';
$mailman->SmtpPassword = 'myPassword';

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

$email->Subject = 'This is a test';
$email->Body = 'This is a test';
$email->From = 'Chilkat Support <chilkat.support@gmail.com>';
$email->AddTo('Chilkat', 'support@chilkatsoft.com');

try {
    $mailman->SendEmail($email);
} catch (\Chilkat2\Exception $e) {
    echo $e->getMessage(), "\n";
    exit;
}

echo "Email sent.\n";