PHP

Send Email to Distribution List

See more SMTP Examples

Sends the same email to a list of 1000 email addresses in 50 sends where each email has 20 recipients.

Note: Chilkat is not intended nor designed for mass emailing. A solution such as this might be used for a corporate emailing to employees, or an emailing to newsletter subscribers.

Chilkat2 PHP

<?php

use Chilkat2\BinData;
use Chilkat2\Email;
use Chilkat2\MailMan;
use Chilkat2\StringBuilder;
use Chilkat2\StringTable;

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

$mailman = new MailMan();

$mailman->SmtpHost = 'smtp.mymailserver.com';
$mailman->SmtpPort = 465;
$mailman->SmtpSsl = true;
$mailman->SmtpUsername = 'myUsername';
$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 = 'Senders Name <sender@example.com>';
$email->AddTo('Subscribers', 'subscribers@example.com');

$bdMime = new BinData();
$mailman->RenderToMimeBd($email, $bdMime);

// Load a file containing one email address per line.
$distList = new StringTable();
try {
    $distList->AppendFromFile(1000, 'utf-8', 'qa_data/distList.txt');
} catch (\Chilkat2\Exception $e) {
    echo $e->getMessage(), "\n";
    exit;
}

$sbRecipients = new StringBuilder();

$i = 0;
$szDistList = $distList->Count;
$j = 0;
while ($i < $szDistList) {
    // Build a list of comma-separated recipients.
    if ($j > 0) {
        $sbRecipients->Append(',');
    }

    $sbRecipients->Append($distList->StringAt($i));

    $i = $i + 1;
    $j = $j + 1;

    // If we have 20 recipients, or we have the final recipient in the final chunk, then send.
    if (($j == 20) || ($i == $szDistList)) {
        try {
            $mailman->SendMimeBd('sender@example.com', $sbRecipients->GetAsString(), $bdMime);
        } catch (\Chilkat2\Exception $e) {
            echo $e->getMessage(), "\n";
            exit;
        }

        $j = 0;
        $sbRecipients->Clear();
    }
}

try {
    $mailman->CloseSmtpConnection();
} catch (\Chilkat2\Exception $e) {
    echo "Connection to SMTP server not closed cleanly.\n";
}

echo "Email sent to distirbution list.\n";