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POIs this the correct way to send email with PHP?
 

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  1. POIs this the correct way to send email with PHP?
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    <p>I'm a bit worried if this function sends emails that can be recognized correctly on the majority of email and webmail clients the way it should, specifically I'm most concerned about this doubts:</p> <ul> <li>Are the UTF-8 declarations and attachments well formed?</li> <li>Do I need to use quoted_printable_decode()? If yes, where?</li> <li>Content-Transfer-Encoding: 7 or 8 bits? I've always seen 7 but since I'm sending a UTF-8 encoded mail I'm not sure.</li> <li>Should I use mb_send_mail() or mail() is enough?</li> </ul> <p><strong>EDIT: I don't know why but the code is not showing up correctly, I made it available @ <a href="http://gist.github.com/104818" rel="noreferrer">http://gist.github.com/104818</a></strong></p> <p><strong>EDIT 2: I'm aware of other alternatives (libraries) for email handling, but for the sake of my own curiosity and knowledge I just wish to know if this code is 100% good, or if it's buggy.</strong></p> <pre><code>function Email($name, $from, $to, $subject, $message, $bcc = null, $attachments = null) { ini_set('SMTP', 'localhost'); ini_set('sendmail_from', $from); $name = filter_var($name, FILTER_SANITIZE_STRING); $from = filter_var($from, FILTER_SANITIZE_EMAIL); $subject = filter_var($subject, FILTER_SANITIZE_STRING); $boundary = '_Boundary_' . md5(microtime(true) . mt_rand(0, PHP_INT_MAX)); $headers = array ( 'MIME-Version: 1.0', 'Content-Type: multipart/mixed; boundary="Mixed' . $boundary . '"', 'Date: ' . date('r', time()), 'From: "' . $name . '" &lt;' . $from . '&gt;', 'Reply-To: "' . $name . '" &lt;' . $from . '&gt;', 'Return-Path: "' . $name . '" &lt;' . $from . '&gt;', 'X-Mailer: PHP ' . phpversion(), 'X-Priority: 2', 'X-MSMail-Priority: High', 'X-Originating-IP: ' . $_SERVER['SERVER_ADDR'], ); if (is_null($to) === false) { if (is_array($to) === false) { $to = explode(',', $to); } foreach ($to as $key =&gt; $value) { $to[$key] = filter_var($value, FILTER_SANITIZE_EMAIL); } $to = implode(', ', array_filter($to)); } if (is_null($bcc) === false) { if (is_array($bcc) === false) { $bcc = explode(',', $bcc); } foreach ($bcc as $key =&gt; $value) { $bcc[$key] = filter_var($value, FILTER_SANITIZE_EMAIL); } $headers[] = 'BCC: ' . implode(', ', array_filter($bcc)); } if (is_null($attachments) === false) { settype($attachments, 'array'); foreach ($attachments as $key =&gt; $value) { if (is_file($value) === true) { $attachments[$key] = array ( '', '--Mixed' . $boundary, 'Content-Type: application/octet-stream; name="' . basename($value) . '"', 'Content-Disposition: attachment; filename="' . basename($value) . '"', 'Content-Transfer-Encoding: base64', '', trim(chunk_split(base64_encode(file_get_contents($value)))), ); $attachments[$key] = implode("\n", $attachments[$key]); } else { unset($attachments[$key]); } } $attachments = implode("\n", $attachments) . "\n"; } $message = array ( 'This is a multi-part message in MIME format.', '', '--Mixed' . $boundary, 'Content-Type: multipart/alternative; boundary="Alt' . $boundary . '"', '', '--Alt' . $boundary, 'Content-Type: text/plain; charset="UTF-8"', 'Content-Disposition: inline', 'Content-Transfer-Encoding: 8bit', '', trim(strip_tags($message, '&lt;a&gt;')), '', '--Alt' . $boundary, 'Content-Type: text/html; charset="UTF-8"', 'Content-Disposition: inline', 'Content-Transfer-Encoding: 8bit', '', trim($message), '', '--Alt' . $boundary . '--', $attachments, '--Mixed' . $boundary . '--', ); if (@mail($to, stripslashes($subject), implode("\n", $message), implode("\n", $headers)) === true) { return true; } return false; } </code></pre>
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