In what scenarios would it be recommended to seek support from Adobe or other software providers when encountering issues with sending PDF attachments via email using PHP?

When encountering issues with sending PDF attachments via email using PHP, it may be recommended to seek support from Adobe or other software providers if the issue is related to the PDF file format itself or the compatibility of the PDF library being used in the PHP code. If the issue is related to the email sending functionality in PHP, it may be helpful to consult the PHP documentation or seek support from the email service provider. 

<?php

$to = 'recipient@example.com';
$subject = 'Test email with PDF attachment';
$message = 'Please see the attached PDF file.';
$filename = 'example.pdf';
$file = '/path/to/example.pdf';
$content = file_get_contents($file);
$attachment = chunk_split(base64_encode($content));

$boundary = md5(time());

$headers = "From: sender@example.com\r\n";
$headers .= "MIME-Version: 1.0\r\n";
$headers .= "Content-Type: multipart/mixed; boundary=\"{$boundary}\"\r\n";

$body = "--{$boundary}\r\n";
$body .= "Content-Type: text/plain; charset=ISO-8859-1\r\n";
$body .= "Content-Transfer-Encoding: 7bit\r\n\r\n";
$body .= $message."\r\n";

$body .= "--{$boundary}\r\n";
$body .= "Content-Type: application/pdf; name=\"{$filename}\"\r\n";
$body .= "Content-Transfer-Encoding: base64\r\n";
$body .= "Content-Disposition: attachment; filename=\"{$filename}\"\r\n\r\n";
$body .= $attachment."\r\n";
$body .= "--{$boundary}--";

if (mail($to, $subject, $body, $headers)) {
    echo 'Email sent successfully with PDF attachment.';
} else {
    echo 'Failed to send email with PDF attachment.';
}

?>

Keywords

Adobe PDF attachments email PHP support

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