(PHP Extension) SMTP Send Raw Command

Demonstrates how to send a raw command to the SMTP server after the connecting and authenticating.

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

$mailman = new CkMailMan();

$mailman->put_SmtpHost('smtp.mail.us-west-2.awsapps.com');
$mailman->put_SmtpSsl(true);
$mailman->put_SmtpPort(465);

$success = $mailman->SmtpConnect();
if ($success == false) {
    print $mailman->lastErrorText() . "\n";
    exit;
}

$mailman->put_SmtpUsername('john@example.com');
$mailman->put_SmtpPassword('the_password');

$success = $mailman->SmtpAuthenticate();
if ($success == false) {
    print $mailman->lastErrorText() . "\n";
    exit;
}

print 'Authenticated!' . "\n";

// Send the "EHLO" command again to get the multi-line response that includes the SMTP capabilities.
// The capabilities are the lines in the response that begin with "250-".
$responseStr = $mailman->smtpSendRawCommand('EHLO client.example.com','utf-8',false);
if ($mailman->get_LastMethodSuccess() == false) {
    print $mailman->lastErrorText() . "\n";
    exit;
}

print $responseStr . "\n";

// A sample response:

// 250-smtp.us-west-2.mail.awsapps.com
// 250-8BITMIME
// 250-AUTH PLAIN LOGIN
// 250 Ok

?>